Home / 3,038.37-4,193.06-1,779.22

Finding the Fourth Proportional to 3,038.37, 4,193.06 and 1,779.22

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Solution

The fourth proportional to 3,038.37, 4,193.06 and 1,779.22 is: 2,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.37 : 4,193.06 = 1,779.22 : x
  2. Step 2: Convert to fraction form
    3,038.37/4,193.06 = 1,779.22/x
  3. Step 3: Cross multiply
    3,038.37x = 4,193.06 × 1,779.22
  4. Step 4: Simplify right side
    3,038.37x = 7,460,376.21
  5. Step 5: Solve for x
    x = 7,460,376.21/3,038.37
  6. Step 6: Final answer
    x = 2,455.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,039.37, 4,194.44 and 1,780.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.