Home / 1,865.70-2,799.84-1,000.62

Finding the Fourth Proportional to 1,865.70, 2,799.84 and 1,000.62

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Solution

The fourth proportional to 1,865.70, 2,799.84 and 1,000.62 is: 1,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.70 : 2,799.84 = 1,000.62 : x
  2. Step 2: Convert to fraction form
    1,865.70/2,799.84 = 1,000.62/x
  3. Step 3: Cross multiply
    1,865.70x = 2,799.84 × 1,000.62
  4. Step 4: Simplify right side
    1,865.70x = 2,801,575.90
  5. Step 5: Solve for x
    x = 2,801,575.90/1,865.70
  6. Step 6: Final answer
    x = 1,501.62

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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.