Home / 2,617.26-3,929.13-1,157.10

Finding the Fourth Proportional to 2,617.26, 3,929.13 and 1,157.10

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Solution

The fourth proportional to 2,617.26, 3,929.13 and 1,157.10 is: 1,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.26 : 3,929.13 = 1,157.10 : x
  2. Step 2: Convert to fraction form
    2,617.26/3,929.13 = 1,157.10/x
  3. Step 3: Cross multiply
    2,617.26x = 3,929.13 × 1,157.10
  4. Step 4: Simplify right side
    2,617.26x = 4,546,396.32
  5. Step 5: Solve for x
    x = 4,546,396.32/2,617.26
  6. Step 6: Final answer
    x = 1,737.08

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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.