Home / 2,236.16-3,351.35-918.43

Finding the Fourth Proportional to 2,236.16, 3,351.35 and 918.43

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Solution

The fourth proportional to 2,236.16, 3,351.35 and 918.43 is: 1,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.16 : 3,351.35 = 918.43 : x
  2. Step 2: Convert to fraction form
    2,236.16/3,351.35 = 918.43/x
  3. Step 3: Cross multiply
    2,236.16x = 3,351.35 × 918.43
  4. Step 4: Simplify right side
    2,236.16x = 3,077,967.00
  5. Step 5: Solve for x
    x = 3,077,967.00/2,236.16
  6. Step 6: Final answer
    x = 1,376.45

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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.