Home / 3,689.46-5,088.96-2,902.14

Finding the Fourth Proportional to 3,689.46, 5,088.96 and 2,902.14

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Solution

The fourth proportional to 3,689.46, 5,088.96 and 2,902.14 is: 4,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.46 : 5,088.96 = 2,902.14 : x
  2. Step 2: Convert to fraction form
    3,689.46/5,088.96 = 2,902.14/x
  3. Step 3: Cross multiply
    3,689.46x = 5,088.96 × 2,902.14
  4. Step 4: Simplify right side
    3,689.46x = 14,768,874.37
  5. Step 5: Solve for x
    x = 14,768,874.37/3,689.46
  6. Step 6: Final answer
    x = 4,002.99

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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.