Home / 3,185.42-4,779.34-1,800.32

Finding the Fourth Proportional to 3,185.42, 4,779.34 and 1,800.32

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Solution

The fourth proportional to 3,185.42, 4,779.34 and 1,800.32 is: 2,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.42 : 4,779.34 = 1,800.32 : x
  2. Step 2: Convert to fraction form
    3,185.42/4,779.34 = 1,800.32/x
  3. Step 3: Cross multiply
    3,185.42x = 4,779.34 × 1,800.32
  4. Step 4: Simplify right side
    3,185.42x = 8,604,341.39
  5. Step 5: Solve for x
    x = 8,604,341.39/3,185.42
  6. Step 6: Final answer
    x = 2,701.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.