Home / 2,335.28-3,505.20-1,928.56

Finding the Fourth Proportional to 2,335.28, 3,505.20 and 1,928.56

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Solution

The fourth proportional to 2,335.28, 3,505.20 and 1,928.56 is: 2,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.28 : 3,505.20 = 1,928.56 : x
  2. Step 2: Convert to fraction form
    2,335.28/3,505.20 = 1,928.56/x
  3. Step 3: Cross multiply
    2,335.28x = 3,505.20 × 1,928.56
  4. Step 4: Simplify right side
    2,335.28x = 6,759,988.51
  5. Step 5: Solve for x
    x = 6,759,988.51/2,335.28
  6. Step 6: Final answer
    x = 2,894.72

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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.