Home / 2,364.39-3,541.71-1,388.13

Finding the Fourth Proportional to 2,364.39, 3,541.71 and 1,388.13

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Solution

The fourth proportional to 2,364.39, 3,541.71 and 1,388.13 is: 2,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.39 : 3,541.71 = 1,388.13 : x
  2. Step 2: Convert to fraction form
    2,364.39/3,541.71 = 1,388.13/x
  3. Step 3: Cross multiply
    2,364.39x = 3,541.71 × 1,388.13
  4. Step 4: Simplify right side
    2,364.39x = 4,916,353.90
  5. Step 5: Solve for x
    x = 4,916,353.90/2,364.39
  6. Step 6: Final answer
    x = 2,079.33

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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.