Home / 3,058.13-4,220.57-1,816.13

Finding the Fourth Proportional to 3,058.13, 4,220.57 and 1,816.13

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Solution

The fourth proportional to 3,058.13, 4,220.57 and 1,816.13 is: 2,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.13 : 4,220.57 = 1,816.13 : x
  2. Step 2: Convert to fraction form
    3,058.13/4,220.57 = 1,816.13/x
  3. Step 3: Cross multiply
    3,058.13x = 4,220.57 × 1,816.13
  4. Step 4: Simplify right side
    3,058.13x = 7,665,087.23
  5. Step 5: Solve for x
    x = 7,665,087.23/3,058.13
  6. Step 6: Final answer
    x = 2,506.47

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Double scale
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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.