Home / 1,594.38-2,200.50-931.62

Finding the Fourth Proportional to 1,594.38, 2,200.50 and 931.62

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Solution

The fourth proportional to 1,594.38, 2,200.50 and 931.62 is: 1,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.38 : 2,200.50 = 931.62 : x
  2. Step 2: Convert to fraction form
    1,594.38/2,200.50 = 931.62/x
  3. Step 3: Cross multiply
    1,594.38x = 2,200.50 × 931.62
  4. Step 4: Simplify right side
    1,594.38x = 2,050,029.81
  5. Step 5: Solve for x
    x = 2,050,029.81/1,594.38
  6. Step 6: Final answer
    x = 1,285.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.