Home / 1,985.55-2,734.45-1,650.93

Finding the Fourth Proportional to 1,985.55, 2,734.45 and 1,650.93

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Solution

The fourth proportional to 1,985.55, 2,734.45 and 1,650.93 is: 2,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.55 : 2,734.45 = 1,650.93 : x
  2. Step 2: Convert to fraction form
    1,985.55/2,734.45 = 1,650.93/x
  3. Step 3: Cross multiply
    1,985.55x = 2,734.45 × 1,650.93
  4. Step 4: Simplify right side
    1,985.55x = 4,514,385.54
  5. Step 5: Solve for x
    x = 4,514,385.54/1,985.55
  6. Step 6: Final answer
    x = 2,273.62

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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.