Home / 3,534.18-4,877.28-1,962.40

Finding the Fourth Proportional to 3,534.18, 4,877.28 and 1,962.40

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Solution

The fourth proportional to 3,534.18, 4,877.28 and 1,962.40 is: 2,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.18 : 4,877.28 = 1,962.40 : x
  2. Step 2: Convert to fraction form
    3,534.18/4,877.28 = 1,962.40/x
  3. Step 3: Cross multiply
    3,534.18x = 4,877.28 × 1,962.40
  4. Step 4: Simplify right side
    3,534.18x = 9,571,174.27
  5. Step 5: Solve for x
    x = 9,571,174.27/3,534.18
  6. Step 6: Final answer
    x = 2,708.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.