Home / 2,777.40-4,164.36-1,046.16

Finding the Fourth Proportional to 2,777.40, 4,164.36 and 1,046.16

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Solution

The fourth proportional to 2,777.40, 4,164.36 and 1,046.16 is: 1,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.40 : 4,164.36 = 1,046.16 : x
  2. Step 2: Convert to fraction form
    2,777.40/4,164.36 = 1,046.16/x
  3. Step 3: Cross multiply
    2,777.40x = 4,164.36 × 1,046.16
  4. Step 4: Simplify right side
    2,777.40x = 4,356,586.86
  5. Step 5: Solve for x
    x = 4,356,586.86/2,777.40
  6. Step 6: Final answer
    x = 1,568.58

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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.