Home / 3,071.01-4,236.79-1,726.31

Finding the Fourth Proportional to 3,071.01, 4,236.79 and 1,726.31

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Solution

The fourth proportional to 3,071.01, 4,236.79 and 1,726.31 is: 2,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.01 : 4,236.79 = 1,726.31 : x
  2. Step 2: Convert to fraction form
    3,071.01/4,236.79 = 1,726.31/x
  3. Step 3: Cross multiply
    3,071.01x = 4,236.79 × 1,726.31
  4. Step 4: Simplify right side
    3,071.01x = 7,314,031.73
  5. Step 5: Solve for x
    x = 7,314,031.73/3,071.01
  6. Step 6: Final answer
    x = 2,381.64

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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.