Home / 3,454.48-4,767.20-2,057.28

Finding the Fourth Proportional to 3,454.48, 4,767.20 and 2,057.28

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Solution

The fourth proportional to 3,454.48, 4,767.20 and 2,057.28 is: 2,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.48 : 4,767.20 = 2,057.28 : x
  2. Step 2: Convert to fraction form
    3,454.48/4,767.20 = 2,057.28/x
  3. Step 3: Cross multiply
    3,454.48x = 4,767.20 × 2,057.28
  4. Step 4: Simplify right side
    3,454.48x = 9,807,465.22
  5. Step 5: Solve for x
    x = 9,807,465.22/3,454.48
  6. Step 6: Final answer
    x = 2,839.06

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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.