Home / 1,622.12-2,433.53-527.25

Finding the Fourth Proportional to 1,622.12, 2,433.53 and 527.25

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Solution

The fourth proportional to 1,622.12, 2,433.53 and 527.25 is: 790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.12 : 2,433.53 = 527.25 : x
  2. Step 2: Convert to fraction form
    1,622.12/2,433.53 = 527.25/x
  3. Step 3: Cross multiply
    1,622.12x = 2,433.53 × 527.25
  4. Step 4: Simplify right side
    1,622.12x = 1,283,085.18
  5. Step 5: Solve for x
    x = 1,283,085.18/1,622.12
  6. Step 6: Final answer
    x = 790.99

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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.