Home / 1,759.52-2,428.20-1,096.40

Finding the Fourth Proportional to 1,759.52, 2,428.20 and 1,096.40

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Solution

The fourth proportional to 1,759.52, 2,428.20 and 1,096.40 is: 1,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.52 : 2,428.20 = 1,096.40 : x
  2. Step 2: Convert to fraction form
    1,759.52/2,428.20 = 1,096.40/x
  3. Step 3: Cross multiply
    1,759.52x = 2,428.20 × 1,096.40
  4. Step 4: Simplify right side
    1,759.52x = 2,662,278.48
  5. Step 5: Solve for x
    x = 2,662,278.48/1,759.52
  6. Step 6: Final answer
    x = 1,513.07

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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.