Home / 2,512.04-3,771.84-1,542.20

Finding the Fourth Proportional to 2,512.04, 3,771.84 and 1,542.20

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Solution

The fourth proportional to 2,512.04, 3,771.84 and 1,542.20 is: 2,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.04 : 3,771.84 = 1,542.20 : x
  2. Step 2: Convert to fraction form
    2,512.04/3,771.84 = 1,542.20/x
  3. Step 3: Cross multiply
    2,512.04x = 3,771.84 × 1,542.20
  4. Step 4: Simplify right side
    2,512.04x = 5,816,931.65
  5. Step 5: Solve for x
    x = 5,816,931.65/2,512.04
  6. Step 6: Final answer
    x = 2,315.62

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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.