Home / 2,397.48-3,591.63-2,116.68

Finding the Fourth Proportional to 2,397.48, 3,591.63 and 2,116.68

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Solution

The fourth proportional to 2,397.48, 3,591.63 and 2,116.68 is: 3,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.48 : 3,591.63 = 2,116.68 : x
  2. Step 2: Convert to fraction form
    2,397.48/3,591.63 = 2,116.68/x
  3. Step 3: Cross multiply
    2,397.48x = 3,591.63 × 2,116.68
  4. Step 4: Simplify right side
    2,397.48x = 7,602,331.39
  5. Step 5: Solve for x
    x = 7,602,331.39/2,397.48
  6. Step 6: Final answer
    x = 3,170.97

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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.