Home / 3,610.79-4,982.06-2,038.31

Finding the Fourth Proportional to 3,610.79, 4,982.06 and 2,038.31

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Solution

The fourth proportional to 3,610.79, 4,982.06 and 2,038.31 is: 2,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.79 : 4,982.06 = 2,038.31 : x
  2. Step 2: Convert to fraction form
    3,610.79/4,982.06 = 2,038.31/x
  3. Step 3: Cross multiply
    3,610.79x = 4,982.06 × 2,038.31
  4. Step 4: Simplify right side
    3,610.79x = 10,154,947.62
  5. Step 5: Solve for x
    x = 10,154,947.62/3,610.79
  6. Step 6: Final answer
    x = 2,812.39

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1.5x scale

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.