Home / 1,770.23-2,656.16-1,251.29

Finding the Fourth Proportional to 1,770.23, 2,656.16 and 1,251.29

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Solution

The fourth proportional to 1,770.23, 2,656.16 and 1,251.29 is: 1,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.23 : 2,656.16 = 1,251.29 : x
  2. Step 2: Convert to fraction form
    1,770.23/2,656.16 = 1,251.29/x
  3. Step 3: Cross multiply
    1,770.23x = 2,656.16 × 1,251.29
  4. Step 4: Simplify right side
    1,770.23x = 3,323,620.19
  5. Step 5: Solve for x
    x = 3,323,620.19/1,770.23
  6. Step 6: Final answer
    x = 1,877.51

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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.