Home / 1,622.89-2,434.47-527.23

Finding the Fourth Proportional to 1,622.89, 2,434.47 and 527.23

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Solution

The fourth proportional to 1,622.89, 2,434.47 and 527.23 is: 790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.89 : 2,434.47 = 527.23 : x
  2. Step 2: Convert to fraction form
    1,622.89/2,434.47 = 527.23/x
  3. Step 3: Cross multiply
    1,622.89x = 2,434.47 × 527.23
  4. Step 4: Simplify right side
    1,622.89x = 1,283,525.62
  5. Step 5: Solve for x
    x = 1,283,525.62/1,622.89
  6. Step 6: Final answer
    x = 790.89

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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.