Home / 3,096.91-4,644.28-1,247.55

Finding the Fourth Proportional to 3,096.91, 4,644.28 and 1,247.55

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Solution

The fourth proportional to 3,096.91, 4,644.28 and 1,247.55 is: 1,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.91 : 4,644.28 = 1,247.55 : x
  2. Step 2: Convert to fraction form
    3,096.91/4,644.28 = 1,247.55/x
  3. Step 3: Cross multiply
    3,096.91x = 4,644.28 × 1,247.55
  4. Step 4: Simplify right side
    3,096.91x = 5,793,971.51
  5. Step 5: Solve for x
    x = 5,793,971.51/3,096.91
  6. Step 6: Final answer
    x = 1,870.89

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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.