Home / 3,088-4,630.40-1,239.04

Finding the Fourth Proportional to 3,088, 4,630.40 and 1,239.04

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Solution

The fourth proportional to 3,088, 4,630.40 and 1,239.04 is: 1,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088 : 4,630.40 = 1,239.04 : x
  2. Step 2: Convert to fraction form
    3,088/4,630.40 = 1,239.04/x
  3. Step 3: Cross multiply
    3,088x = 4,630.40 × 1,239.04
  4. Step 4: Simplify right side
    3,088x = 5,737,250.82
  5. Step 5: Solve for x
    x = 5,737,250.82/3,088
  6. Step 6: Final answer
    x = 1,857.92

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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.