Home / 1,697.18-2,549.11-1,624.28

Finding the Fourth Proportional to 1,697.18, 2,549.11 and 1,624.28

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Solution

The fourth proportional to 1,697.18, 2,549.11 and 1,624.28 is: 2,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.18 : 2,549.11 = 1,624.28 : x
  2. Step 2: Convert to fraction form
    1,697.18/2,549.11 = 1,624.28/x
  3. Step 3: Cross multiply
    1,697.18x = 2,549.11 × 1,624.28
  4. Step 4: Simplify right side
    1,697.18x = 4,140,468.39
  5. Step 5: Solve for x
    x = 4,140,468.39/1,697.18
  6. Step 6: Final answer
    x = 2,439.62

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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.