Home / 1,365.60-2,042.30-1,000.02

Finding the Fourth Proportional to 1,365.60, 2,042.30 and 1,000.02

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Solution

The fourth proportional to 1,365.60, 2,042.30 and 1,000.02 is: 1,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.60 : 2,042.30 = 1,000.02 : x
  2. Step 2: Convert to fraction form
    1,365.60/2,042.30 = 1,000.02/x
  3. Step 3: Cross multiply
    1,365.60x = 2,042.30 × 1,000.02
  4. Step 4: Simplify right side
    1,365.60x = 2,042,340.85
  5. Step 5: Solve for x
    x = 2,042,340.85/1,365.60
  6. Step 6: Final answer
    x = 1,495.56

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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.