Home / 3,038.24-4,192.55-1,779.22

Finding the Fourth Proportional to 3,038.24, 4,192.55 and 1,779.22

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Solution

The fourth proportional to 3,038.24, 4,192.55 and 1,779.22 is: 2,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.24 : 4,192.55 = 1,779.22 : x
  2. Step 2: Convert to fraction form
    3,038.24/4,192.55 = 1,779.22/x
  3. Step 3: Cross multiply
    3,038.24x = 4,192.55 × 1,779.22
  4. Step 4: Simplify right side
    3,038.24x = 7,459,462.78
  5. Step 5: Solve for x
    x = 7,459,462.78/3,038.24
  6. Step 6: Final answer
    x = 2,455.19

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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.