Home / 1,657.45-2,486.58-927.54

Finding the Fourth Proportional to 1,657.45, 2,486.58 and 927.54

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Solution

The fourth proportional to 1,657.45, 2,486.58 and 927.54 is: 1,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.45 : 2,486.58 = 927.54 : x
  2. Step 2: Convert to fraction form
    1,657.45/2,486.58 = 927.54/x
  3. Step 3: Cross multiply
    1,657.45x = 2,486.58 × 927.54
  4. Step 4: Simplify right side
    1,657.45x = 2,306,402.41
  5. Step 5: Solve for x
    x = 2,306,402.41/1,657.45
  6. Step 6: Final answer
    x = 1,391.54

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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.