Home / 3,070.20-4,233.16-2,389.03

Finding the Fourth Proportional to 3,070.20, 4,233.16 and 2,389.03

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Solution

The fourth proportional to 3,070.20, 4,233.16 and 2,389.03 is: 3,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.20 : 4,233.16 = 2,389.03 : x
  2. Step 2: Convert to fraction form
    3,070.20/4,233.16 = 2,389.03/x
  3. Step 3: Cross multiply
    3,070.20x = 4,233.16 × 2,389.03
  4. Step 4: Simplify right side
    3,070.20x = 10,113,146.23
  5. Step 5: Solve for x
    x = 10,113,146.23/3,070.20
  6. Step 6: Final answer
    x = 3,293.97

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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.