Home / 1,541.22-2,301.35-1,212.90

Finding the Fourth Proportional to 1,541.22, 2,301.35 and 1,212.90

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Solution

The fourth proportional to 1,541.22, 2,301.35 and 1,212.90 is: 1,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.22 : 2,301.35 = 1,212.90 : x
  2. Step 2: Convert to fraction form
    1,541.22/2,301.35 = 1,212.90/x
  3. Step 3: Cross multiply
    1,541.22x = 2,301.35 × 1,212.90
  4. Step 4: Simplify right side
    1,541.22x = 2,791,301.35
  5. Step 5: Solve for x
    x = 2,791,301.35/1,541.22
  6. Step 6: Final answer
    x = 1,811.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.