Home / 1,742.20-2,611.64-587.14

Finding the Fourth Proportional to 1,742.20, 2,611.64 and 587.14

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Solution

The fourth proportional to 1,742.20, 2,611.64 and 587.14 is: 880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.20 : 2,611.64 = 587.14 : x
  2. Step 2: Convert to fraction form
    1,742.20/2,611.64 = 587.14/x
  3. Step 3: Cross multiply
    1,742.20x = 2,611.64 × 587.14
  4. Step 4: Simplify right side
    1,742.20x = 1,533,398.31
  5. Step 5: Solve for x
    x = 1,533,398.31/1,742.20
  6. Step 6: Final answer
    x = 880.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.