Home / 2,931.22-4,391.66-1,541.26

Finding the Fourth Proportional to 2,931.22, 4,391.66 and 1,541.26

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Solution

The fourth proportional to 2,931.22, 4,391.66 and 1,541.26 is: 2,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.22 : 4,391.66 = 1,541.26 : x
  2. Step 2: Convert to fraction form
    2,931.22/4,391.66 = 1,541.26/x
  3. Step 3: Cross multiply
    2,931.22x = 4,391.66 × 1,541.26
  4. Step 4: Simplify right side
    2,931.22x = 6,768,689.89
  5. Step 5: Solve for x
    x = 6,768,689.89/2,931.22
  6. Step 6: Final answer
    x = 2,309.17

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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.