Home / 2,459.12-3,688.68-997.24

Finding the Fourth Proportional to 2,459.12, 3,688.68 and 997.24

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Solution

The fourth proportional to 2,459.12, 3,688.68 and 997.24 is: 1,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.12 : 3,688.68 = 997.24 : x
  2. Step 2: Convert to fraction form
    2,459.12/3,688.68 = 997.24/x
  3. Step 3: Cross multiply
    2,459.12x = 3,688.68 × 997.24
  4. Step 4: Simplify right side
    2,459.12x = 3,678,499.24
  5. Step 5: Solve for x
    x = 3,678,499.24/2,459.12
  6. Step 6: Final answer
    x = 1,495.86

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1.5x scale

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.