Home / 1,522.65-2,101.24-824.02

Finding the Fourth Proportional to 1,522.65, 2,101.24 and 824.02

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Solution

The fourth proportional to 1,522.65, 2,101.24 and 824.02 is: 1,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.65 : 2,101.24 = 824.02 : x
  2. Step 2: Convert to fraction form
    1,522.65/2,101.24 = 824.02/x
  3. Step 3: Cross multiply
    1,522.65x = 2,101.24 × 824.02
  4. Step 4: Simplify right side
    1,522.65x = 1,731,463.78
  5. Step 5: Solve for x
    x = 1,731,463.78/1,522.65
  6. Step 6: Final answer
    x = 1,137.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.