Home / 2,373.28-3,560.12-912.85

Finding the Fourth Proportional to 2,373.28, 3,560.12 and 912.85

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Solution

The fourth proportional to 2,373.28, 3,560.12 and 912.85 is: 1,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.28 : 3,560.12 = 912.85 : x
  2. Step 2: Convert to fraction form
    2,373.28/3,560.12 = 912.85/x
  3. Step 3: Cross multiply
    2,373.28x = 3,560.12 × 912.85
  4. Step 4: Simplify right side
    2,373.28x = 3,249,855.54
  5. Step 5: Solve for x
    x = 3,249,855.54/2,373.28
  6. Step 6: Final answer
    x = 1,369.35

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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.