Home / 2,610.11-3,601.95-1,431.18

Finding the Fourth Proportional to 2,610.11, 3,601.95 and 1,431.18

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Solution

The fourth proportional to 2,610.11, 3,601.95 and 1,431.18 is: 1,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.11 : 3,601.95 = 1,431.18 : x
  2. Step 2: Convert to fraction form
    2,610.11/3,601.95 = 1,431.18/x
  3. Step 3: Cross multiply
    2,610.11x = 3,601.95 × 1,431.18
  4. Step 4: Simplify right side
    2,610.11x = 5,155,038.80
  5. Step 5: Solve for x
    x = 5,155,038.80/2,610.11
  6. Step 6: Final answer
    x = 1,975.03

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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.