Home / 2,254.10-3,381.42-694.16

Finding the Fourth Proportional to 2,254.10, 3,381.42 and 694.16

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Solution

The fourth proportional to 2,254.10, 3,381.42 and 694.16 is: 1,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.10 : 3,381.42 = 694.16 : x
  2. Step 2: Convert to fraction form
    2,254.10/3,381.42 = 694.16/x
  3. Step 3: Cross multiply
    2,254.10x = 3,381.42 × 694.16
  4. Step 4: Simplify right side
    2,254.10x = 2,347,246.51
  5. Step 5: Solve for x
    x = 2,347,246.51/2,254.10
  6. Step 6: Final answer
    x = 1,041.32

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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.