Home / 3,013.38-4,518-1,038.51

Finding the Fourth Proportional to 3,013.38, 4,518 and 1,038.51

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Solution

The fourth proportional to 3,013.38, 4,518 and 1,038.51 is: 1,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.38 : 4,518 = 1,038.51 : x
  2. Step 2: Convert to fraction form
    3,013.38/4,518 = 1,038.51/x
  3. Step 3: Cross multiply
    3,013.38x = 4,518 × 1,038.51
  4. Step 4: Simplify right side
    3,013.38x = 4,691,988.18
  5. Step 5: Solve for x
    x = 4,691,988.18/3,013.38
  6. Step 6: Final answer
    x = 1,557.05

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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.