Home / 3,570.20-5,355.30-1,925.90

Finding the Fourth Proportional to 3,570.20, 5,355.30 and 1,925.90

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Solution

The fourth proportional to 3,570.20, 5,355.30 and 1,925.90 is: 2,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.20 : 5,355.30 = 1,925.90 : x
  2. Step 2: Convert to fraction form
    3,570.20/5,355.30 = 1,925.90/x
  3. Step 3: Cross multiply
    3,570.20x = 5,355.30 × 1,925.90
  4. Step 4: Simplify right side
    3,570.20x = 10,313,772.27
  5. Step 5: Solve for x
    x = 10,313,772.27/3,570.20
  6. Step 6: Final answer
    x = 2,888.85

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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.