Home / 1,517.50-2,093.10-928.33

Finding the Fourth Proportional to 1,517.50, 2,093.10 and 928.33

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Solution

The fourth proportional to 1,517.50, 2,093.10 and 928.33 is: 1,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.50 : 2,093.10 = 928.33 : x
  2. Step 2: Convert to fraction form
    1,517.50/2,093.10 = 928.33/x
  3. Step 3: Cross multiply
    1,517.50x = 2,093.10 × 928.33
  4. Step 4: Simplify right side
    1,517.50x = 1,943,074.74
  5. Step 5: Solve for x
    x = 1,943,074.74/1,517.50
  6. Step 6: Final answer
    x = 1,280.45

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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.