Home / 2,541.22-3,506.90-1,407.05

Finding the Fourth Proportional to 2,541.22, 3,506.90 and 1,407.05

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Solution

The fourth proportional to 2,541.22, 3,506.90 and 1,407.05 is: 1,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.22 : 3,506.90 = 1,407.05 : x
  2. Step 2: Convert to fraction form
    2,541.22/3,506.90 = 1,407.05/x
  3. Step 3: Cross multiply
    2,541.22x = 3,506.90 × 1,407.05
  4. Step 4: Simplify right side
    2,541.22x = 4,934,395.93
  5. Step 5: Solve for x
    x = 4,934,395.93/2,541.22
  6. Step 6: Final answer
    x = 1,941.74

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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.