Home / 4,079.79-5,630.25-2,287.35

Finding the Fourth Proportional to 4,079.79, 5,630.25 and 2,287.35

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Solution

The fourth proportional to 4,079.79, 5,630.25 and 2,287.35 is: 3,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.79 : 5,630.25 = 2,287.35 : x
  2. Step 2: Convert to fraction form
    4,079.79/5,630.25 = 2,287.35/x
  3. Step 3: Cross multiply
    4,079.79x = 5,630.25 × 2,287.35
  4. Step 4: Simplify right side
    4,079.79x = 12,878,352.34
  5. Step 5: Solve for x
    x = 12,878,352.34/4,079.79
  6. Step 6: Final answer
    x = 3,156.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.