Home / 2,045.18-3,060.74-1,264.88

Finding the Fourth Proportional to 2,045.18, 3,060.74 and 1,264.88

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Solution

The fourth proportional to 2,045.18, 3,060.74 and 1,264.88 is: 1,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.18 : 3,060.74 = 1,264.88 : x
  2. Step 2: Convert to fraction form
    2,045.18/3,060.74 = 1,264.88/x
  3. Step 3: Cross multiply
    2,045.18x = 3,060.74 × 1,264.88
  4. Step 4: Simplify right side
    2,045.18x = 3,871,468.81
  5. Step 5: Solve for x
    x = 3,871,468.81/2,045.18
  6. Step 6: Final answer
    x = 1,892.97

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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.