Home / 1,525.20-2,276.11-1,361.17

Finding the Fourth Proportional to 1,525.20, 2,276.11 and 1,361.17

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Solution

The fourth proportional to 1,525.20, 2,276.11 and 1,361.17 is: 2,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.20 : 2,276.11 = 1,361.17 : x
  2. Step 2: Convert to fraction form
    1,525.20/2,276.11 = 1,361.17/x
  3. Step 3: Cross multiply
    1,525.20x = 2,276.11 × 1,361.17
  4. Step 4: Simplify right side
    1,525.20x = 3,098,172.65
  5. Step 5: Solve for x
    x = 3,098,172.65/1,525.20
  6. Step 6: Final answer
    x = 2,031.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.