Home / 3,417.80-5,125.20-1,568.30

Finding the Fourth Proportional to 3,417.80, 5,125.20 and 1,568.30

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Solution

The fourth proportional to 3,417.80, 5,125.20 and 1,568.30 is: 2,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.80 : 5,125.20 = 1,568.30 : x
  2. Step 2: Convert to fraction form
    3,417.80/5,125.20 = 1,568.30/x
  3. Step 3: Cross multiply
    3,417.80x = 5,125.20 × 1,568.30
  4. Step 4: Simplify right side
    3,417.80x = 8,037,851.16
  5. Step 5: Solve for x
    x = 8,037,851.16/3,417.80
  6. Step 6: Final answer
    x = 2,351.76

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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.