Home / 2,929.14-4,040.16-2,832.72

Finding the Fourth Proportional to 2,929.14, 4,040.16 and 2,832.72

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Solution

The fourth proportional to 2,929.14, 4,040.16 and 2,832.72 is: 3,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.14 : 4,040.16 = 2,832.72 : x
  2. Step 2: Convert to fraction form
    2,929.14/4,040.16 = 2,832.72/x
  3. Step 3: Cross multiply
    2,929.14x = 4,040.16 × 2,832.72
  4. Step 4: Simplify right side
    2,929.14x = 11,444,642.04
  5. Step 5: Solve for x
    x = 11,444,642.04/2,929.14
  6. Step 6: Final answer
    x = 3,907.17

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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.