Home / 2,630.63-3,630.29-1,451.75

Finding the Fourth Proportional to 2,630.63, 3,630.29 and 1,451.75

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Solution

The fourth proportional to 2,630.63, 3,630.29 and 1,451.75 is: 2,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.63 : 3,630.29 = 1,451.75 : x
  2. Step 2: Convert to fraction form
    2,630.63/3,630.29 = 1,451.75/x
  3. Step 3: Cross multiply
    2,630.63x = 3,630.29 × 1,451.75
  4. Step 4: Simplify right side
    2,630.63x = 5,270,248.10
  5. Step 5: Solve for x
    x = 5,270,248.10/2,630.63
  6. Step 6: Final answer
    x = 2,003.41

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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.