Home / 3,384.28-5,071.66-1,603.45

Finding the Fourth Proportional to 3,384.28, 5,071.66 and 1,603.45

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Solution

The fourth proportional to 3,384.28, 5,071.66 and 1,603.45 is: 2,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.28 : 5,071.66 = 1,603.45 : x
  2. Step 2: Convert to fraction form
    3,384.28/5,071.66 = 1,603.45/x
  3. Step 3: Cross multiply
    3,384.28x = 5,071.66 × 1,603.45
  4. Step 4: Simplify right side
    3,384.28x = 8,132,153.23
  5. Step 5: Solve for x
    x = 8,132,153.23/3,384.28
  6. Step 6: Final answer
    x = 2,402.92

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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.