Home / 2,630.98-3,630.95-1,512.19

Finding the Fourth Proportional to 2,630.98, 3,630.95 and 1,512.19

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Solution

The fourth proportional to 2,630.98, 3,630.95 and 1,512.19 is: 2,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.98 : 3,630.95 = 1,512.19 : x
  2. Step 2: Convert to fraction form
    2,630.98/3,630.95 = 1,512.19/x
  3. Step 3: Cross multiply
    2,630.98x = 3,630.95 × 1,512.19
  4. Step 4: Simplify right side
    2,630.98x = 5,490,686.28
  5. Step 5: Solve for x
    x = 5,490,686.28/2,630.98
  6. Step 6: Final answer
    x = 2,086.94

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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.