Home / 1,586.76-2,374.92-1,439.16

Finding the Fourth Proportional to 1,586.76, 2,374.92 and 1,439.16

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Solution

The fourth proportional to 1,586.76, 2,374.92 and 1,439.16 is: 2,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.76 : 2,374.92 = 1,439.16 : x
  2. Step 2: Convert to fraction form
    1,586.76/2,374.92 = 1,439.16/x
  3. Step 3: Cross multiply
    1,586.76x = 2,374.92 × 1,439.16
  4. Step 4: Simplify right side
    1,586.76x = 3,417,889.87
  5. Step 5: Solve for x
    x = 3,417,889.87/1,586.76
  6. Step 6: Final answer
    x = 2,154.01

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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.