Home / 2,012.28-3,017.16-972.56

Finding the Fourth Proportional to 2,012.28, 3,017.16 and 972.56

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Solution

The fourth proportional to 2,012.28, 3,017.16 and 972.56 is: 1,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.28 : 3,017.16 = 972.56 : x
  2. Step 2: Convert to fraction form
    2,012.28/3,017.16 = 972.56/x
  3. Step 3: Cross multiply
    2,012.28x = 3,017.16 × 972.56
  4. Step 4: Simplify right side
    2,012.28x = 2,934,369.13
  5. Step 5: Solve for x
    x = 2,934,369.13/2,012.28
  6. Step 6: Final answer
    x = 1,458.23

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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.