Home / 3,840.09-5,295.29-3,042.18

Finding the Fourth Proportional to 3,840.09, 5,295.29 and 3,042.18

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Solution

The fourth proportional to 3,840.09, 5,295.29 and 3,042.18 is: 4,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.09 : 5,295.29 = 3,042.18 : x
  2. Step 2: Convert to fraction form
    3,840.09/5,295.29 = 3,042.18/x
  3. Step 3: Cross multiply
    3,840.09x = 5,295.29 × 3,042.18
  4. Step 4: Simplify right side
    3,840.09x = 16,109,210.12
  5. Step 5: Solve for x
    x = 16,109,210.12/3,840.09
  6. Step 6: Final answer
    x = 4,195.01

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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.