Home / 3,665.51-5,058.68-2,173.76

Finding the Fourth Proportional to 3,665.51, 5,058.68 and 2,173.76

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Solution

The fourth proportional to 3,665.51, 5,058.68 and 2,173.76 is: 2,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.51 : 5,058.68 = 2,173.76 : x
  2. Step 2: Convert to fraction form
    3,665.51/5,058.68 = 2,173.76/x
  3. Step 3: Cross multiply
    3,665.51x = 5,058.68 × 2,173.76
  4. Step 4: Simplify right side
    3,665.51x = 10,996,356.24
  5. Step 5: Solve for x
    x = 10,996,356.24/3,665.51
  6. Step 6: Final answer
    x = 2,999.95

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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.