Home / 3,454.59-4,767.69-2,038.71

Finding the Fourth Proportional to 3,454.59, 4,767.69 and 2,038.71

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Solution

The fourth proportional to 3,454.59, 4,767.69 and 2,038.71 is: 2,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.59 : 4,767.69 = 2,038.71 : x
  2. Step 2: Convert to fraction form
    3,454.59/4,767.69 = 2,038.71/x
  3. Step 3: Cross multiply
    3,454.59x = 4,767.69 × 2,038.71
  4. Step 4: Simplify right side
    3,454.59x = 9,719,937.28
  5. Step 5: Solve for x
    x = 9,719,937.28/3,454.59
  6. Step 6: Final answer
    x = 2,813.63

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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.