Home / 2,521.66-3,480.46-1,403

Finding the Fourth Proportional to 2,521.66, 3,480.46 and 1,403

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Solution

The fourth proportional to 2,521.66, 3,480.46 and 1,403 is: 1,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.66 : 3,480.46 = 1,403 : x
  2. Step 2: Convert to fraction form
    2,521.66/3,480.46 = 1,403/x
  3. Step 3: Cross multiply
    2,521.66x = 3,480.46 × 1,403
  4. Step 4: Simplify right side
    2,521.66x = 4,883,085.38
  5. Step 5: Solve for x
    x = 4,883,085.38/2,521.66
  6. Step 6: Final answer
    x = 1,936.46

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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.