Home / 3,617.51-4,990.68-2,438.96

Finding the Fourth Proportional to 3,617.51, 4,990.68 and 2,438.96

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Solution

The fourth proportional to 3,617.51, 4,990.68 and 2,438.96 is: 3,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.51 : 4,990.68 = 2,438.96 : x
  2. Step 2: Convert to fraction form
    3,617.51/4,990.68 = 2,438.96/x
  3. Step 3: Cross multiply
    3,617.51x = 4,990.68 × 2,438.96
  4. Step 4: Simplify right side
    3,617.51x = 12,172,068.89
  5. Step 5: Solve for x
    x = 12,172,068.89/3,617.51
  6. Step 6: Final answer
    x = 3,364.76

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1.5x scale

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.