Home / 1,685.22-2,528.10-589.92

Finding the Fourth Proportional to 1,685.22, 2,528.10 and 589.92

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Solution

The fourth proportional to 1,685.22, 2,528.10 and 589.92 is: 884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.22 : 2,528.10 = 589.92 : x
  2. Step 2: Convert to fraction form
    1,685.22/2,528.10 = 589.92/x
  3. Step 3: Cross multiply
    1,685.22x = 2,528.10 × 589.92
  4. Step 4: Simplify right side
    1,685.22x = 1,491,376.75
  5. Step 5: Solve for x
    x = 1,491,376.75/1,685.22
  6. Step 6: Final answer
    x = 884.97

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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.