Home / 2,247.32-3,370.56-686.94

Finding the Fourth Proportional to 2,247.32, 3,370.56 and 686.94

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Solution

The fourth proportional to 2,247.32, 3,370.56 and 686.94 is: 1,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.32 : 3,370.56 = 686.94 : x
  2. Step 2: Convert to fraction form
    2,247.32/3,370.56 = 686.94/x
  3. Step 3: Cross multiply
    2,247.32x = 3,370.56 × 686.94
  4. Step 4: Simplify right side
    2,247.32x = 2,315,372.49
  5. Step 5: Solve for x
    x = 2,315,372.49/2,247.32
  6. Step 6: Final answer
    x = 1,030.28

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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.