Home / 2,711.74-3,742.40-1,532.82

Finding the Fourth Proportional to 2,711.74, 3,742.40 and 1,532.82

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Solution

The fourth proportional to 2,711.74, 3,742.40 and 1,532.82 is: 2,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.74 : 3,742.40 = 1,532.82 : x
  2. Step 2: Convert to fraction form
    2,711.74/3,742.40 = 1,532.82/x
  3. Step 3: Cross multiply
    2,711.74x = 3,742.40 × 1,532.82
  4. Step 4: Simplify right side
    2,711.74x = 5,736,427.26
  5. Step 5: Solve for x
    x = 5,736,427.26/2,711.74
  6. Step 6: Final answer
    x = 2,115.40

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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.