Home / 3,598.38-4,964.40-2,181.15

Finding the Fourth Proportional to 3,598.38, 4,964.40 and 2,181.15

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Solution

The fourth proportional to 3,598.38, 4,964.40 and 2,181.15 is: 3,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.38 : 4,964.40 = 2,181.15 : x
  2. Step 2: Convert to fraction form
    3,598.38/4,964.40 = 2,181.15/x
  3. Step 3: Cross multiply
    3,598.38x = 4,964.40 × 2,181.15
  4. Step 4: Simplify right side
    3,598.38x = 10,828,101.06
  5. Step 5: Solve for x
    x = 10,828,101.06/3,598.38
  6. Step 6: Final answer
    x = 3,009.16

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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.