Home / 2,929.57-4,396.16-2,656.15

Finding the Fourth Proportional to 2,929.57, 4,396.16 and 2,656.15

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Solution

The fourth proportional to 2,929.57, 4,396.16 and 2,656.15 is: 3,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.57 : 4,396.16 = 2,656.15 : x
  2. Step 2: Convert to fraction form
    2,929.57/4,396.16 = 2,656.15/x
  3. Step 3: Cross multiply
    2,929.57x = 4,396.16 × 2,656.15
  4. Step 4: Simplify right side
    2,929.57x = 11,676,860.38
  5. Step 5: Solve for x
    x = 11,676,860.38/2,929.57
  6. Step 6: Final answer
    x = 3,985.86

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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.