Home / 3,457.27-4,772.99-2,280.40

Finding the Fourth Proportional to 3,457.27, 4,772.99 and 2,280.40

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Solution

The fourth proportional to 3,457.27, 4,772.99 and 2,280.40 is: 3,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.27 : 4,772.99 = 2,280.40 : x
  2. Step 2: Convert to fraction form
    3,457.27/4,772.99 = 2,280.40/x
  3. Step 3: Cross multiply
    3,457.27x = 4,772.99 × 2,280.40
  4. Step 4: Simplify right side
    3,457.27x = 10,884,326.40
  5. Step 5: Solve for x
    x = 10,884,326.40/3,457.27
  6. Step 6: Final answer
    x = 3,148.24

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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.