Home / 1,622.50-2,239.40-1,032.91

Finding the Fourth Proportional to 1,622.50, 2,239.40 and 1,032.91

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Solution

The fourth proportional to 1,622.50, 2,239.40 and 1,032.91 is: 1,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.50 : 2,239.40 = 1,032.91 : x
  2. Step 2: Convert to fraction form
    1,622.50/2,239.40 = 1,032.91/x
  3. Step 3: Cross multiply
    1,622.50x = 2,239.40 × 1,032.91
  4. Step 4: Simplify right side
    1,622.50x = 2,313,098.65
  5. Step 5: Solve for x
    x = 2,313,098.65/1,622.50
  6. Step 6: Final answer
    x = 1,425.64

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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.