Home / 2,418.60-3,337.64-1,370.70

Finding the Fourth Proportional to 2,418.60, 3,337.64 and 1,370.70

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Solution

The fourth proportional to 2,418.60, 3,337.64 and 1,370.70 is: 1,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.60 : 3,337.64 = 1,370.70 : x
  2. Step 2: Convert to fraction form
    2,418.60/3,337.64 = 1,370.70/x
  3. Step 3: Cross multiply
    2,418.60x = 3,337.64 × 1,370.70
  4. Step 4: Simplify right side
    2,418.60x = 4,574,903.15
  5. Step 5: Solve for x
    x = 4,574,903.15/2,418.60
  6. Step 6: Final answer
    x = 1,891.55

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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.