Home / 1,770.08-2,656.46-1,213.46

Finding the Fourth Proportional to 1,770.08, 2,656.46 and 1,213.46

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Solution

The fourth proportional to 1,770.08, 2,656.46 and 1,213.46 is: 1,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.08 : 2,656.46 = 1,213.46 : x
  2. Step 2: Convert to fraction form
    1,770.08/2,656.46 = 1,213.46/x
  3. Step 3: Cross multiply
    1,770.08x = 2,656.46 × 1,213.46
  4. Step 4: Simplify right side
    1,770.08x = 3,223,507.95
  5. Step 5: Solve for x
    x = 3,223,507.95/1,770.08
  6. Step 6: Final answer
    x = 1,821.11

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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.