Home / 3,603.85-5,407.40-1,957.93

Finding the Fourth Proportional to 3,603.85, 5,407.40 and 1,957.93

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Solution

The fourth proportional to 3,603.85, 5,407.40 and 1,957.93 is: 2,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.85 : 5,407.40 = 1,957.93 : x
  2. Step 2: Convert to fraction form
    3,603.85/5,407.40 = 1,957.93/x
  3. Step 3: Cross multiply
    3,603.85x = 5,407.40 × 1,957.93
  4. Step 4: Simplify right side
    3,603.85x = 10,587,302.06
  5. Step 5: Solve for x
    x = 10,587,302.06/3,603.85
  6. Step 6: Final answer
    x = 2,937.78

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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.