Home / 2,263.76-3,117.12-2,257.28

Finding the Fourth Proportional to 2,263.76, 3,117.12 and 2,257.28

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Solution

The fourth proportional to 2,263.76, 3,117.12 and 2,257.28 is: 3,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.76 : 3,117.12 = 2,257.28 : x
  2. Step 2: Convert to fraction form
    2,263.76/3,117.12 = 2,257.28/x
  3. Step 3: Cross multiply
    2,263.76x = 3,117.12 × 2,257.28
  4. Step 4: Simplify right side
    2,263.76x = 7,036,212.63
  5. Step 5: Solve for x
    x = 7,036,212.63/2,263.76
  6. Step 6: Final answer
    x = 3,108.20

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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.