Home / 1,842.95-2,543.65-1,135.15

Finding the Fourth Proportional to 1,842.95, 2,543.65 and 1,135.15

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Solution

The fourth proportional to 1,842.95, 2,543.65 and 1,135.15 is: 1,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.95 : 2,543.65 = 1,135.15 : x
  2. Step 2: Convert to fraction form
    1,842.95/2,543.65 = 1,135.15/x
  3. Step 3: Cross multiply
    1,842.95x = 2,543.65 × 1,135.15
  4. Step 4: Simplify right side
    1,842.95x = 2,887,415.10
  5. Step 5: Solve for x
    x = 2,887,415.10/1,842.95
  6. Step 6: Final answer
    x = 1,566.73

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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.