Home / 1,582.11-2,183.76-1,472.76

Finding the Fourth Proportional to 1,582.11, 2,183.76 and 1,472.76

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Solution

The fourth proportional to 1,582.11, 2,183.76 and 1,472.76 is: 2,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.11 : 2,183.76 = 1,472.76 : x
  2. Step 2: Convert to fraction form
    1,582.11/2,183.76 = 1,472.76/x
  3. Step 3: Cross multiply
    1,582.11x = 2,183.76 × 1,472.76
  4. Step 4: Simplify right side
    1,582.11x = 3,216,154.38
  5. Step 5: Solve for x
    x = 3,216,154.38/1,582.11
  6. Step 6: Final answer
    x = 2,032.83

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1.5x scale

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.