Home / 2,986.24-4,123.02-2,670.52

Finding the Fourth Proportional to 2,986.24, 4,123.02 and 2,670.52

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Solution

The fourth proportional to 2,986.24, 4,123.02 and 2,670.52 is: 3,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.24 : 4,123.02 = 2,670.52 : x
  2. Step 2: Convert to fraction form
    2,986.24/4,123.02 = 2,670.52/x
  3. Step 3: Cross multiply
    2,986.24x = 4,123.02 × 2,670.52
  4. Step 4: Simplify right side
    2,986.24x = 11,010,607.37
  5. Step 5: Solve for x
    x = 11,010,607.37/2,986.24
  6. Step 6: Final answer
    x = 3,687.11

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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.