Home / 3,377.32-5,065.74-1,298.44

Finding the Fourth Proportional to 3,377.32, 5,065.74 and 1,298.44

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Solution

The fourth proportional to 3,377.32, 5,065.74 and 1,298.44 is: 1,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.32 : 5,065.74 = 1,298.44 : x
  2. Step 2: Convert to fraction form
    3,377.32/5,065.74 = 1,298.44/x
  3. Step 3: Cross multiply
    3,377.32x = 5,065.74 × 1,298.44
  4. Step 4: Simplify right side
    3,377.32x = 6,577,559.45
  5. Step 5: Solve for x
    x = 6,577,559.45/3,377.32
  6. Step 6: Final answer
    x = 1,947.57

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1.5x scale

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.