Home / 1,688.22-2,531.28-592.69

Finding the Fourth Proportional to 1,688.22, 2,531.28 and 592.69

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Solution

The fourth proportional to 1,688.22, 2,531.28 and 592.69 is: 888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.22 : 2,531.28 = 592.69 : x
  2. Step 2: Convert to fraction form
    1,688.22/2,531.28 = 592.69/x
  3. Step 3: Cross multiply
    1,688.22x = 2,531.28 × 592.69
  4. Step 4: Simplify right side
    1,688.22x = 1,500,264.34
  5. Step 5: Solve for x
    x = 1,500,264.34/1,688.22
  6. Step 6: Final answer
    x = 888.67

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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.