Home / 1,581.80-2,372.90-608.58

Finding the Fourth Proportional to 1,581.80, 2,372.90 and 608.58

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Solution

The fourth proportional to 1,581.80, 2,372.90 and 608.58 is: 912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.80 : 2,372.90 = 608.58 : x
  2. Step 2: Convert to fraction form
    1,581.80/2,372.90 = 608.58/x
  3. Step 3: Cross multiply
    1,581.80x = 2,372.90 × 608.58
  4. Step 4: Simplify right side
    1,581.80x = 1,444,096.44
  5. Step 5: Solve for x
    x = 1,444,096.44/1,581.80
  6. Step 6: Final answer
    x = 912.95

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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.