Home / 1,517.93-2,094.60-928.35

Finding the Fourth Proportional to 1,517.93, 2,094.60 and 928.35

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Solution

The fourth proportional to 1,517.93, 2,094.60 and 928.35 is: 1,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.93 : 2,094.60 = 928.35 : x
  2. Step 2: Convert to fraction form
    1,517.93/2,094.60 = 928.35/x
  3. Step 3: Cross multiply
    1,517.93x = 2,094.60 × 928.35
  4. Step 4: Simplify right side
    1,517.93x = 1,944,521.91
  5. Step 5: Solve for x
    x = 1,944,521.91/1,517.93
  6. Step 6: Final answer
    x = 1,281.04

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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.