Home / 3,430.12-5,163.92-2,341.40

Finding the Fourth Proportional to 3,430.12, 5,163.92 and 2,341.40

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Solution

The fourth proportional to 3,430.12, 5,163.92 and 2,341.40 is: 3,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.12 : 5,163.92 = 2,341.40 : x
  2. Step 2: Convert to fraction form
    3,430.12/5,163.92 = 2,341.40/x
  3. Step 3: Cross multiply
    3,430.12x = 5,163.92 × 2,341.40
  4. Step 4: Simplify right side
    3,430.12x = 12,090,802.29
  5. Step 5: Solve for x
    x = 12,090,802.29/3,430.12
  6. Step 6: Final answer
    x = 3,524.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.