Home / 1,819.80-2,510.60-1,073.50

Finding the Fourth Proportional to 1,819.80, 2,510.60 and 1,073.50

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Solution

The fourth proportional to 1,819.80, 2,510.60 and 1,073.50 is: 1,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.80 : 2,510.60 = 1,073.50 : x
  2. Step 2: Convert to fraction form
    1,819.80/2,510.60 = 1,073.50/x
  3. Step 3: Cross multiply
    1,819.80x = 2,510.60 × 1,073.50
  4. Step 4: Simplify right side
    1,819.80x = 2,695,117.46
  5. Step 5: Solve for x
    x = 2,695,117.46/1,819.80
  6. Step 6: Final answer
    x = 1,481.00

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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.