Home / 2,927.96-4,040.68-1,601.76

Finding the Fourth Proportional to 2,927.96, 4,040.68 and 1,601.76

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Solution

The fourth proportional to 2,927.96, 4,040.68 and 1,601.76 is: 2,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.96 : 4,040.68 = 1,601.76 : x
  2. Step 2: Convert to fraction form
    2,927.96/4,040.68 = 1,601.76/x
  3. Step 3: Cross multiply
    2,927.96x = 4,040.68 × 1,601.76
  4. Step 4: Simplify right side
    2,927.96x = 6,472,199.60
  5. Step 5: Solve for x
    x = 6,472,199.60/2,927.96
  6. Step 6: Final answer
    x = 2,210.48

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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.