Home / 1,631.95-2,253.13-1,258.24

Finding the Fourth Proportional to 1,631.95, 2,253.13 and 1,258.24

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Solution

The fourth proportional to 1,631.95, 2,253.13 and 1,258.24 is: 1,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.95 : 2,253.13 = 1,258.24 : x
  2. Step 2: Convert to fraction form
    1,631.95/2,253.13 = 1,258.24/x
  3. Step 3: Cross multiply
    1,631.95x = 2,253.13 × 1,258.24
  4. Step 4: Simplify right side
    1,631.95x = 2,834,978.29
  5. Step 5: Solve for x
    x = 2,834,978.29/1,631.95
  6. Step 6: Final answer
    x = 1,737.17

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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.