Home / 2,440.39-3,367.61-1,445.76

Finding the Fourth Proportional to 2,440.39, 3,367.61 and 1,445.76

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Solution

The fourth proportional to 2,440.39, 3,367.61 and 1,445.76 is: 1,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.39 : 3,367.61 = 1,445.76 : x
  2. Step 2: Convert to fraction form
    2,440.39/3,367.61 = 1,445.76/x
  3. Step 3: Cross multiply
    2,440.39x = 3,367.61 × 1,445.76
  4. Step 4: Simplify right side
    2,440.39x = 4,868,748.60
  5. Step 5: Solve for x
    x = 4,868,748.60/2,440.39
  6. Step 6: Final answer
    x = 1,995.07

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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.