Home / 3,217.69-4,442.93-2,470.47

Finding the Fourth Proportional to 3,217.69, 4,442.93 and 2,470.47

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Solution

The fourth proportional to 3,217.69, 4,442.93 and 2,470.47 is: 3,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.69 : 4,442.93 = 2,470.47 : x
  2. Step 2: Convert to fraction form
    3,217.69/4,442.93 = 2,470.47/x
  3. Step 3: Cross multiply
    3,217.69x = 4,442.93 × 2,470.47
  4. Step 4: Simplify right side
    3,217.69x = 10,976,125.28
  5. Step 5: Solve for x
    x = 10,976,125.28/3,217.69
  6. Step 6: Final answer
    x = 3,411.18

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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.