Home / 2,287.36-3,432.30-1,247.32

Finding the Fourth Proportional to 2,287.36, 3,432.30 and 1,247.32

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Solution

The fourth proportional to 2,287.36, 3,432.30 and 1,247.32 is: 1,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.36 : 3,432.30 = 1,247.32 : x
  2. Step 2: Convert to fraction form
    2,287.36/3,432.30 = 1,247.32/x
  3. Step 3: Cross multiply
    2,287.36x = 3,432.30 × 1,247.32
  4. Step 4: Simplify right side
    2,287.36x = 4,281,176.44
  5. Step 5: Solve for x
    x = 4,281,176.44/2,287.36
  6. Step 6: Final answer
    x = 1,871.67

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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.