Home / 2,970.07-4,101.84-2,251.09

Finding the Fourth Proportional to 2,970.07, 4,101.84 and 2,251.09

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Solution

The fourth proportional to 2,970.07, 4,101.84 and 2,251.09 is: 3,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.07 : 4,101.84 = 2,251.09 : x
  2. Step 2: Convert to fraction form
    2,970.07/4,101.84 = 2,251.09/x
  3. Step 3: Cross multiply
    2,970.07x = 4,101.84 × 2,251.09
  4. Step 4: Simplify right side
    2,970.07x = 9,233,616.13
  5. Step 5: Solve for x
    x = 9,233,616.13/2,970.07
  6. Step 6: Final answer
    x = 3,108.89

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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.