Home / 2,417.76-3,337.20-1,631.70

Finding the Fourth Proportional to 2,417.76, 3,337.20 and 1,631.70

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Solution

The fourth proportional to 2,417.76, 3,337.20 and 1,631.70 is: 2,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.76 : 3,337.20 = 1,631.70 : x
  2. Step 2: Convert to fraction form
    2,417.76/3,337.20 = 1,631.70/x
  3. Step 3: Cross multiply
    2,417.76x = 3,337.20 × 1,631.70
  4. Step 4: Simplify right side
    2,417.76x = 5,445,309.24
  5. Step 5: Solve for x
    x = 5,445,309.24/2,417.76
  6. Step 6: Final answer
    x = 2,252.21

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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.