Home / 3,620.31-4,995.54-2,127.35

Finding the Fourth Proportional to 3,620.31, 4,995.54 and 2,127.35

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Solution

The fourth proportional to 3,620.31, 4,995.54 and 2,127.35 is: 2,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.31 : 4,995.54 = 2,127.35 : x
  2. Step 2: Convert to fraction form
    3,620.31/4,995.54 = 2,127.35/x
  3. Step 3: Cross multiply
    3,620.31x = 4,995.54 × 2,127.35
  4. Step 4: Simplify right side
    3,620.31x = 10,627,237.04
  5. Step 5: Solve for x
    x = 10,627,237.04/3,620.31
  6. Step 6: Final answer
    x = 2,935.45

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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.