Home / 1,474.20-2,210.10-608.28

Finding the Fourth Proportional to 1,474.20, 2,210.10 and 608.28

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Solution

The fourth proportional to 1,474.20, 2,210.10 and 608.28 is: 911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.20 : 2,210.10 = 608.28 : x
  2. Step 2: Convert to fraction form
    1,474.20/2,210.10 = 608.28/x
  3. Step 3: Cross multiply
    1,474.20x = 2,210.10 × 608.28
  4. Step 4: Simplify right side
    1,474.20x = 1,344,359.63
  5. Step 5: Solve for x
    x = 1,344,359.63/1,474.20
  6. Step 6: Final answer
    x = 911.92

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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.