Home / 1,742.01-2,402.56-1,531.74

Finding the Fourth Proportional to 1,742.01, 2,402.56 and 1,531.74

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Solution

The fourth proportional to 1,742.01, 2,402.56 and 1,531.74 is: 2,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.01 : 2,402.56 = 1,531.74 : x
  2. Step 2: Convert to fraction form
    1,742.01/2,402.56 = 1,531.74/x
  3. Step 3: Cross multiply
    1,742.01x = 2,402.56 × 1,531.74
  4. Step 4: Simplify right side
    1,742.01x = 3,680,108.18
  5. Step 5: Solve for x
    x = 3,680,108.18/1,742.01
  6. Step 6: Final answer
    x = 2,112.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.