Home / 2,216.71-3,058.98-1,331.99

Finding the Fourth Proportional to 2,216.71, 3,058.98 and 1,331.99

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Solution

The fourth proportional to 2,216.71, 3,058.98 and 1,331.99 is: 1,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.71 : 3,058.98 = 1,331.99 : x
  2. Step 2: Convert to fraction form
    2,216.71/3,058.98 = 1,331.99/x
  3. Step 3: Cross multiply
    2,216.71x = 3,058.98 × 1,331.99
  4. Step 4: Simplify right side
    2,216.71x = 4,074,530.77
  5. Step 5: Solve for x
    x = 4,074,530.77/2,216.71
  6. Step 6: Final answer
    x = 1,838.10

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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.