Home / 3,549.31-4,898.06-1,977.46

Finding the Fourth Proportional to 3,549.31, 4,898.06 and 1,977.46

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Solution

The fourth proportional to 3,549.31, 4,898.06 and 1,977.46 is: 2,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.31 : 4,898.06 = 1,977.46 : x
  2. Step 2: Convert to fraction form
    3,549.31/4,898.06 = 1,977.46/x
  3. Step 3: Cross multiply
    3,549.31x = 4,898.06 × 1,977.46
  4. Step 4: Simplify right side
    3,549.31x = 9,685,707.84
  5. Step 5: Solve for x
    x = 9,685,707.84/3,549.31
  6. Step 6: Final answer
    x = 2,728.90

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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.