Home / 2,187.56-3,280.62-1,461.08

Finding the Fourth Proportional to 2,187.56, 3,280.62 and 1,461.08

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Solution

The fourth proportional to 2,187.56, 3,280.62 and 1,461.08 is: 2,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.56 : 3,280.62 = 1,461.08 : x
  2. Step 2: Convert to fraction form
    2,187.56/3,280.62 = 1,461.08/x
  3. Step 3: Cross multiply
    2,187.56x = 3,280.62 × 1,461.08
  4. Step 4: Simplify right side
    2,187.56x = 4,793,248.27
  5. Step 5: Solve for x
    x = 4,793,248.27/2,187.56
  6. Step 6: Final answer
    x = 2,191.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.