Home / 4,138.36-5,710.96-2,275.36

Finding the Fourth Proportional to 4,138.36, 5,710.96 and 2,275.36

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Solution

The fourth proportional to 4,138.36, 5,710.96 and 2,275.36 is: 3,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.36 : 5,710.96 = 2,275.36 : x
  2. Step 2: Convert to fraction form
    4,138.36/5,710.96 = 2,275.36/x
  3. Step 3: Cross multiply
    4,138.36x = 5,710.96 × 2,275.36
  4. Step 4: Simplify right side
    4,138.36x = 12,994,489.95
  5. Step 5: Solve for x
    x = 12,994,489.95/4,138.36
  6. Step 6: Final answer
    x = 3,140.01

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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.