Home / 2,521.73-3,479.76-1,858.95

Finding the Fourth Proportional to 2,521.73, 3,479.76 and 1,858.95

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Solution

The fourth proportional to 2,521.73, 3,479.76 and 1,858.95 is: 2,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.73 : 3,479.76 = 1,858.95 : x
  2. Step 2: Convert to fraction form
    2,521.73/3,479.76 = 1,858.95/x
  3. Step 3: Cross multiply
    2,521.73x = 3,479.76 × 1,858.95
  4. Step 4: Simplify right side
    2,521.73x = 6,468,699.85
  5. Step 5: Solve for x
    x = 6,468,699.85/2,521.73
  6. Step 6: Final answer
    x = 2,565.18

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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.