Home / 1,685.34-2,528.49-589.98

Finding the Fourth Proportional to 1,685.34, 2,528.49 and 589.98

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Solution

The fourth proportional to 1,685.34, 2,528.49 and 589.98 is: 885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.34 : 2,528.49 = 589.98 : x
  2. Step 2: Convert to fraction form
    1,685.34/2,528.49 = 589.98/x
  3. Step 3: Cross multiply
    1,685.34x = 2,528.49 × 589.98
  4. Step 4: Simplify right side
    1,685.34x = 1,491,758.53
  5. Step 5: Solve for x
    x = 1,491,758.53/1,685.34
  6. Step 6: Final answer
    x = 885.14

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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.