Home / 2,777.16-3,828.78-2,303.28

Finding the Fourth Proportional to 2,777.16, 3,828.78 and 2,303.28

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Solution

The fourth proportional to 2,777.16, 3,828.78 and 2,303.28 is: 3,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.16 : 3,828.78 = 2,303.28 : x
  2. Step 2: Convert to fraction form
    2,777.16/3,828.78 = 2,303.28/x
  3. Step 3: Cross multiply
    2,777.16x = 3,828.78 × 2,303.28
  4. Step 4: Simplify right side
    2,777.16x = 8,818,752.40
  5. Step 5: Solve for x
    x = 8,818,752.40/2,777.16
  6. Step 6: Final answer
    x = 3,175.46

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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.