Home / 3,150.05-4,344.23-1,971.23

Finding the Fourth Proportional to 3,150.05, 4,344.23 and 1,971.23

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Solution

The fourth proportional to 3,150.05, 4,344.23 and 1,971.23 is: 2,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.05 : 4,344.23 = 1,971.23 : x
  2. Step 2: Convert to fraction form
    3,150.05/4,344.23 = 1,971.23/x
  3. Step 3: Cross multiply
    3,150.05x = 4,344.23 × 1,971.23
  4. Step 4: Simplify right side
    3,150.05x = 8,563,459.71
  5. Step 5: Solve for x
    x = 8,563,459.71/3,150.05
  6. Step 6: Final answer
    x = 2,718.52

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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.