Home / 1,883.20-2,593.44-1,358.40

Finding the Fourth Proportional to 1,883.20, 2,593.44 and 1,358.40

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Solution

The fourth proportional to 1,883.20, 2,593.44 and 1,358.40 is: 1,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.20 : 2,593.44 = 1,358.40 : x
  2. Step 2: Convert to fraction form
    1,883.20/2,593.44 = 1,358.40/x
  3. Step 3: Cross multiply
    1,883.20x = 2,593.44 × 1,358.40
  4. Step 4: Simplify right side
    1,883.20x = 3,522,928.90
  5. Step 5: Solve for x
    x = 3,522,928.90/1,883.20
  6. Step 6: Final answer
    x = 1,870.71

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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.