Home / 2,518.50-3,472.08-1,679.22

Finding the Fourth Proportional to 2,518.50, 3,472.08 and 1,679.22

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Solution

The fourth proportional to 2,518.50, 3,472.08 and 1,679.22 is: 2,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.50 : 3,472.08 = 1,679.22 : x
  2. Step 2: Convert to fraction form
    2,518.50/3,472.08 = 1,679.22/x
  3. Step 3: Cross multiply
    2,518.50x = 3,472.08 × 1,679.22
  4. Step 4: Simplify right side
    2,518.50x = 5,830,386.18
  5. Step 5: Solve for x
    x = 5,830,386.18/2,518.50
  6. Step 6: Final answer
    x = 2,315.02

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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.