Home / 1,587.66-2,381.49-1,014.18

Finding the Fourth Proportional to 1,587.66, 2,381.49 and 1,014.18

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Solution

The fourth proportional to 1,587.66, 2,381.49 and 1,014.18 is: 1,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.66 : 2,381.49 = 1,014.18 : x
  2. Step 2: Convert to fraction form
    1,587.66/2,381.49 = 1,014.18/x
  3. Step 3: Cross multiply
    1,587.66x = 2,381.49 × 1,014.18
  4. Step 4: Simplify right side
    1,587.66x = 2,415,259.53
  5. Step 5: Solve for x
    x = 2,415,259.53/1,587.66
  6. Step 6: Final answer
    x = 1,521.27

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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.