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Finding the Fourth Proportional to 2,459.97, 3,688.98 and 899.62

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Solution

The fourth proportional to 2,459.97, 3,688.98 and 899.62 is: 1,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.97 : 3,688.98 = 899.62 : x
  2. Step 2: Convert to fraction form
    2,459.97/3,688.98 = 899.62/x
  3. Step 3: Cross multiply
    2,459.97x = 3,688.98 × 899.62
  4. Step 4: Simplify right side
    2,459.97x = 3,318,680.19
  5. Step 5: Solve for x
    x = 3,318,680.19/2,459.97
  6. Step 6: Final answer
    x = 1,349.07

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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.