Home / 1,834.90-2,532.50-1,089.30

Finding the Fourth Proportional to 1,834.90, 2,532.50 and 1,089.30

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Solution

The fourth proportional to 1,834.90, 2,532.50 and 1,089.30 is: 1,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.90 : 2,532.50 = 1,089.30 : x
  2. Step 2: Convert to fraction form
    1,834.90/2,532.50 = 1,089.30/x
  3. Step 3: Cross multiply
    1,834.90x = 2,532.50 × 1,089.30
  4. Step 4: Simplify right side
    1,834.90x = 2,758,652.25
  5. Step 5: Solve for x
    x = 2,758,652.25/1,834.90
  6. Step 6: Final answer
    x = 1,503.43

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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.