Home / 1,513.04-2,273.85-896.87

Finding the Fourth Proportional to 1,513.04, 2,273.85 and 896.87

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Solution

The fourth proportional to 1,513.04, 2,273.85 and 896.87 is: 1,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.04 : 2,273.85 = 896.87 : x
  2. Step 2: Convert to fraction form
    1,513.04/2,273.85 = 896.87/x
  3. Step 3: Cross multiply
    1,513.04x = 2,273.85 × 896.87
  4. Step 4: Simplify right side
    1,513.04x = 2,039,347.85
  5. Step 5: Solve for x
    x = 2,039,347.85/1,513.04
  6. Step 6: Final answer
    x = 1,347.85

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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.