Home / 2,904.61-4,010.18-1,997.68

Finding the Fourth Proportional to 2,904.61, 4,010.18 and 1,997.68

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Solution

The fourth proportional to 2,904.61, 4,010.18 and 1,997.68 is: 2,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.61 : 4,010.18 = 1,997.68 : x
  2. Step 2: Convert to fraction form
    2,904.61/4,010.18 = 1,997.68/x
  3. Step 3: Cross multiply
    2,904.61x = 4,010.18 × 1,997.68
  4. Step 4: Simplify right side
    2,904.61x = 8,011,056.38
  5. Step 5: Solve for x
    x = 8,011,056.38/2,904.61
  6. Step 6: Final answer
    x = 2,758.05

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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.