Home / 2,371.32-3,556.56-640.08

Finding the Fourth Proportional to 2,371.32, 3,556.56 and 640.08

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Solution

The fourth proportional to 2,371.32, 3,556.56 and 640.08 is: 960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.32 : 3,556.56 = 640.08 : x
  2. Step 2: Convert to fraction form
    2,371.32/3,556.56 = 640.08/x
  3. Step 3: Cross multiply
    2,371.32x = 3,556.56 × 640.08
  4. Step 4: Simplify right side
    2,371.32x = 2,276,482.92
  5. Step 5: Solve for x
    x = 2,276,482.92/2,371.32
  6. Step 6: Final answer
    x = 960.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.