Home / 3,395.20-5,088.96-1,446.40

Finding the Fourth Proportional to 3,395.20, 5,088.96 and 1,446.40

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Solution

The fourth proportional to 3,395.20, 5,088.96 and 1,446.40 is: 2,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.20 : 5,088.96 = 1,446.40 : x
  2. Step 2: Convert to fraction form
    3,395.20/5,088.96 = 1,446.40/x
  3. Step 3: Cross multiply
    3,395.20x = 5,088.96 × 1,446.40
  4. Step 4: Simplify right side
    3,395.20x = 7,360,671.74
  5. Step 5: Solve for x
    x = 7,360,671.74/3,395.20
  6. Step 6: Final answer
    x = 2,167.96

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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.