Home / 2,795.40-4,191.72-1,039.88

Finding the Fourth Proportional to 2,795.40, 4,191.72 and 1,039.88

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Solution

The fourth proportional to 2,795.40, 4,191.72 and 1,039.88 is: 1,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.40 : 4,191.72 = 1,039.88 : x
  2. Step 2: Convert to fraction form
    2,795.40/4,191.72 = 1,039.88/x
  3. Step 3: Cross multiply
    2,795.40x = 4,191.72 × 1,039.88
  4. Step 4: Simplify right side
    2,795.40x = 4,358,864.84
  5. Step 5: Solve for x
    x = 4,358,864.84/2,795.40
  6. Step 6: Final answer
    x = 1,559.30

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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.