Home / 2,348.11-3,522.78-1,178.07

Finding the Fourth Proportional to 2,348.11, 3,522.78 and 1,178.07

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Solution

The fourth proportional to 2,348.11, 3,522.78 and 1,178.07 is: 1,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.11 : 3,522.78 = 1,178.07 : x
  2. Step 2: Convert to fraction form
    2,348.11/3,522.78 = 1,178.07/x
  3. Step 3: Cross multiply
    2,348.11x = 3,522.78 × 1,178.07
  4. Step 4: Simplify right side
    2,348.11x = 4,150,068.22
  5. Step 5: Solve for x
    x = 4,150,068.22/2,348.11
  6. Step 6: Final answer
    x = 1,767.41

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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.