Home / 3,513.40-5,270.05-1,049.92

Finding the Fourth Proportional to 3,513.40, 5,270.05 and 1,049.92

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Solution

The fourth proportional to 3,513.40, 5,270.05 and 1,049.92 is: 1,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.40 : 5,270.05 = 1,049.92 : x
  2. Step 2: Convert to fraction form
    3,513.40/5,270.05 = 1,049.92/x
  3. Step 3: Cross multiply
    3,513.40x = 5,270.05 × 1,049.92
  4. Step 4: Simplify right side
    3,513.40x = 5,533,130.90
  5. Step 5: Solve for x
    x = 5,533,130.90/3,513.40
  6. Step 6: Final answer
    x = 1,574.87

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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.