Home / 2,541.24-3,811.05-980.10

Finding the Fourth Proportional to 2,541.24, 3,811.05 and 980.10

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Solution

The fourth proportional to 2,541.24, 3,811.05 and 980.10 is: 1,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.24 : 3,811.05 = 980.10 : x
  2. Step 2: Convert to fraction form
    2,541.24/3,811.05 = 980.10/x
  3. Step 3: Cross multiply
    2,541.24x = 3,811.05 × 980.10
  4. Step 4: Simplify right side
    2,541.24x = 3,735,210.11
  5. Step 5: Solve for x
    x = 3,735,210.11/2,541.24
  6. Step 6: Final answer
    x = 1,469.84

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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.