Home / 2,378.05-3,281.18-1,493.53

Finding the Fourth Proportional to 2,378.05, 3,281.18 and 1,493.53

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Solution

The fourth proportional to 2,378.05, 3,281.18 and 1,493.53 is: 2,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.05 : 3,281.18 = 1,493.53 : x
  2. Step 2: Convert to fraction form
    2,378.05/3,281.18 = 1,493.53/x
  3. Step 3: Cross multiply
    2,378.05x = 3,281.18 × 1,493.53
  4. Step 4: Simplify right side
    2,378.05x = 4,900,540.77
  5. Step 5: Solve for x
    x = 4,900,540.77/2,378.05
  6. Step 6: Final answer
    x = 2,060.74

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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.