Home / 3,001.35-4,139.71-2,602.30

Finding the Fourth Proportional to 3,001.35, 4,139.71 and 2,602.30

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Solution

The fourth proportional to 3,001.35, 4,139.71 and 2,602.30 is: 3,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.35 : 4,139.71 = 2,602.30 : x
  2. Step 2: Convert to fraction form
    3,001.35/4,139.71 = 2,602.30/x
  3. Step 3: Cross multiply
    3,001.35x = 4,139.71 × 2,602.30
  4. Step 4: Simplify right side
    3,001.35x = 10,772,767.33
  5. Step 5: Solve for x
    x = 10,772,767.33/3,001.35
  6. Step 6: Final answer
    x = 3,589.31

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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.