Home / 1,834.40-2,531.50-1,751.30

Finding the Fourth Proportional to 1,834.40, 2,531.50 and 1,751.30

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Solution

The fourth proportional to 1,834.40, 2,531.50 and 1,751.30 is: 2,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.40 : 2,531.50 = 1,751.30 : x
  2. Step 2: Convert to fraction form
    1,834.40/2,531.50 = 1,751.30/x
  3. Step 3: Cross multiply
    1,834.40x = 2,531.50 × 1,751.30
  4. Step 4: Simplify right side
    1,834.40x = 4,433,415.95
  5. Step 5: Solve for x
    x = 4,433,415.95/1,834.40
  6. Step 6: Final answer
    x = 2,416.82

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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.