Home / 1,770.89-2,656.79-1,041.08

Finding the Fourth Proportional to 1,770.89, 2,656.79 and 1,041.08

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Solution

The fourth proportional to 1,770.89, 2,656.79 and 1,041.08 is: 1,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.89 : 2,656.79 = 1,041.08 : x
  2. Step 2: Convert to fraction form
    1,770.89/2,656.79 = 1,041.08/x
  3. Step 3: Cross multiply
    1,770.89x = 2,656.79 × 1,041.08
  4. Step 4: Simplify right side
    1,770.89x = 2,765,925.73
  5. Step 5: Solve for x
    x = 2,765,925.73/1,770.89
  6. Step 6: Final answer
    x = 1,561.88

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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.