Home / 3,312.29-4,571.51-1,986.26

Finding the Fourth Proportional to 3,312.29, 4,571.51 and 1,986.26

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Solution

The fourth proportional to 3,312.29, 4,571.51 and 1,986.26 is: 2,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.29 : 4,571.51 = 1,986.26 : x
  2. Step 2: Convert to fraction form
    3,312.29/4,571.51 = 1,986.26/x
  3. Step 3: Cross multiply
    3,312.29x = 4,571.51 × 1,986.26
  4. Step 4: Simplify right side
    3,312.29x = 9,080,174.66
  5. Step 5: Solve for x
    x = 9,080,174.66/3,312.29
  6. Step 6: Final answer
    x = 2,741.36

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Double scale
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Similar ratio
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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.