Home / 2,742.10-4,111.52-2,331.44

Finding the Fourth Proportional to 2,742.10, 4,111.52 and 2,331.44

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Solution

The fourth proportional to 2,742.10, 4,111.52 and 2,331.44 is: 3,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.10 : 4,111.52 = 2,331.44 : x
  2. Step 2: Convert to fraction form
    2,742.10/4,111.52 = 2,331.44/x
  3. Step 3: Cross multiply
    2,742.10x = 4,111.52 × 2,331.44
  4. Step 4: Simplify right side
    2,742.10x = 9,585,762.19
  5. Step 5: Solve for x
    x = 9,585,762.19/2,742.10
  6. Step 6: Final answer
    x = 3,495.77

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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.