Home / 3,077.28-4,245.59-1,750.66

Finding the Fourth Proportional to 3,077.28, 4,245.59 and 1,750.66

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Solution

The fourth proportional to 3,077.28, 4,245.59 and 1,750.66 is: 2,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.28 : 4,245.59 = 1,750.66 : x
  2. Step 2: Convert to fraction form
    3,077.28/4,245.59 = 1,750.66/x
  3. Step 3: Cross multiply
    3,077.28x = 4,245.59 × 1,750.66
  4. Step 4: Simplify right side
    3,077.28x = 7,432,578.35
  5. Step 5: Solve for x
    x = 7,432,578.35/3,077.28
  6. Step 6: Final answer
    x = 2,415.31

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1.5x scale

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.