Home / 3,439.46-5,160.48-1,465.70

Finding the Fourth Proportional to 3,439.46, 5,160.48 and 1,465.70

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Solution

The fourth proportional to 3,439.46, 5,160.48 and 1,465.70 is: 2,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.46 : 5,160.48 = 1,465.70 : x
  2. Step 2: Convert to fraction form
    3,439.46/5,160.48 = 1,465.70/x
  3. Step 3: Cross multiply
    3,439.46x = 5,160.48 × 1,465.70
  4. Step 4: Simplify right side
    3,439.46x = 7,563,684.24
  5. Step 5: Solve for x
    x = 7,563,684.24/3,439.46
  6. Step 6: Final answer
    x = 2,199.09

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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.