Home / 3,440.58-5,158.62-1,360.86

Finding the Fourth Proportional to 3,440.58, 5,158.62 and 1,360.86

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Solution

The fourth proportional to 3,440.58, 5,158.62 and 1,360.86 is: 2,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.58 : 5,158.62 = 1,360.86 : x
  2. Step 2: Convert to fraction form
    3,440.58/5,158.62 = 1,360.86/x
  3. Step 3: Cross multiply
    3,440.58x = 5,158.62 × 1,360.86
  4. Step 4: Simplify right side
    3,440.58x = 7,020,159.61
  5. Step 5: Solve for x
    x = 7,020,159.61/3,440.58
  6. Step 6: Final answer
    x = 2,040.40

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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.