Home / 2,531.12-3,492.65-1,411.97

Finding the Fourth Proportional to 2,531.12, 3,492.65 and 1,411.97

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Solution

The fourth proportional to 2,531.12, 3,492.65 and 1,411.97 is: 1,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.12 : 3,492.65 = 1,411.97 : x
  2. Step 2: Convert to fraction form
    2,531.12/3,492.65 = 1,411.97/x
  3. Step 3: Cross multiply
    2,531.12x = 3,492.65 × 1,411.97
  4. Step 4: Simplify right side
    2,531.12x = 4,931,503.09
  5. Step 5: Solve for x
    x = 4,931,503.09/2,531.12
  6. Step 6: Final answer
    x = 1,948.35

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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.