Home / 2,275.19-3,411.63-887.45

Finding the Fourth Proportional to 2,275.19, 3,411.63 and 887.45

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Solution

The fourth proportional to 2,275.19, 3,411.63 and 887.45 is: 1,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.19 : 3,411.63 = 887.45 : x
  2. Step 2: Convert to fraction form
    2,275.19/3,411.63 = 887.45/x
  3. Step 3: Cross multiply
    2,275.19x = 3,411.63 × 887.45
  4. Step 4: Simplify right side
    2,275.19x = 3,027,659.57
  5. Step 5: Solve for x
    x = 3,027,659.57/2,275.19
  6. Step 6: Final answer
    x = 1,330.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.