Home / 2,288.24-3,159.24-1,869.60

Finding the Fourth Proportional to 2,288.24, 3,159.24 and 1,869.60

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Solution

The fourth proportional to 2,288.24, 3,159.24 and 1,869.60 is: 2,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.24 : 3,159.24 = 1,869.60 : x
  2. Step 2: Convert to fraction form
    2,288.24/3,159.24 = 1,869.60/x
  3. Step 3: Cross multiply
    2,288.24x = 3,159.24 × 1,869.60
  4. Step 4: Simplify right side
    2,288.24x = 5,906,515.10
  5. Step 5: Solve for x
    x = 5,906,515.10/2,288.24
  6. Step 6: Final answer
    x = 2,581.25

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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.