Home / 3,459.31-5,190.27-2,073.63

Finding the Fourth Proportional to 3,459.31, 5,190.27 and 2,073.63

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Solution

The fourth proportional to 3,459.31, 5,190.27 and 2,073.63 is: 3,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.31 : 5,190.27 = 2,073.63 : x
  2. Step 2: Convert to fraction form
    3,459.31/5,190.27 = 2,073.63/x
  3. Step 3: Cross multiply
    3,459.31x = 5,190.27 × 2,073.63
  4. Step 4: Simplify right side
    3,459.31x = 10,762,689.21
  5. Step 5: Solve for x
    x = 10,762,689.21/3,459.31
  6. Step 6: Final answer
    x = 3,111.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.