Home / 2,899.08-4,342.14-2,078.28

Finding the Fourth Proportional to 2,899.08, 4,342.14 and 2,078.28

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Solution

The fourth proportional to 2,899.08, 4,342.14 and 2,078.28 is: 3,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.08 : 4,342.14 = 2,078.28 : x
  2. Step 2: Convert to fraction form
    2,899.08/4,342.14 = 2,078.28/x
  3. Step 3: Cross multiply
    2,899.08x = 4,342.14 × 2,078.28
  4. Step 4: Simplify right side
    2,899.08x = 9,024,182.72
  5. Step 5: Solve for x
    x = 9,024,182.72/2,899.08
  6. Step 6: Final answer
    x = 3,112.77

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1.5x scale

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.