Home / 1,688.40-2,532.69-592.92

Finding the Fourth Proportional to 1,688.40, 2,532.69 and 592.92

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Solution

The fourth proportional to 1,688.40, 2,532.69 and 592.92 is: 889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.40 : 2,532.69 = 592.92 : x
  2. Step 2: Convert to fraction form
    1,688.40/2,532.69 = 592.92/x
  3. Step 3: Cross multiply
    1,688.40x = 2,532.69 × 592.92
  4. Step 4: Simplify right side
    1,688.40x = 1,501,682.55
  5. Step 5: Solve for x
    x = 1,501,682.55/1,688.40
  6. Step 6: Final answer
    x = 889.41

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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.