Home / 1,517.64-2,094.33-928.08

Finding the Fourth Proportional to 1,517.64, 2,094.33 and 928.08

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Solution

The fourth proportional to 1,517.64, 2,094.33 and 928.08 is: 1,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.64 : 2,094.33 = 928.08 : x
  2. Step 2: Convert to fraction form
    1,517.64/2,094.33 = 928.08/x
  3. Step 3: Cross multiply
    1,517.64x = 2,094.33 × 928.08
  4. Step 4: Simplify right side
    1,517.64x = 1,943,705.79
  5. Step 5: Solve for x
    x = 1,943,705.79/1,517.64
  6. Step 6: Final answer
    x = 1,280.74

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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.