Home / 2,418.60-3,337.38-1,370.64

Finding the Fourth Proportional to 2,418.60, 3,337.38 and 1,370.64

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Solution

The fourth proportional to 2,418.60, 3,337.38 and 1,370.64 is: 1,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.60 : 3,337.38 = 1,370.64 : x
  2. Step 2: Convert to fraction form
    2,418.60/3,337.38 = 1,370.64/x
  3. Step 3: Cross multiply
    2,418.60x = 3,337.38 × 1,370.64
  4. Step 4: Simplify right side
    2,418.60x = 4,574,346.52
  5. Step 5: Solve for x
    x = 4,574,346.52/2,418.60
  6. Step 6: Final answer
    x = 1,891.32

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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.