Home / 2,984.40-4,479.36-2,152.32

Finding the Fourth Proportional to 2,984.40, 4,479.36 and 2,152.32

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Solution

The fourth proportional to 2,984.40, 4,479.36 and 2,152.32 is: 3,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.40 : 4,479.36 = 2,152.32 : x
  2. Step 2: Convert to fraction form
    2,984.40/4,479.36 = 2,152.32/x
  3. Step 3: Cross multiply
    2,984.40x = 4,479.36 × 2,152.32
  4. Step 4: Simplify right side
    2,984.40x = 9,641,016.12
  5. Step 5: Solve for x
    x = 9,641,016.12/2,984.40
  6. Step 6: Final answer
    x = 3,230.47

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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.