Home / 2,905.55-4,360.16-1,056.79

Finding the Fourth Proportional to 2,905.55, 4,360.16 and 1,056.79

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Solution

The fourth proportional to 2,905.55, 4,360.16 and 1,056.79 is: 1,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.55 : 4,360.16 = 1,056.79 : x
  2. Step 2: Convert to fraction form
    2,905.55/4,360.16 = 1,056.79/x
  3. Step 3: Cross multiply
    2,905.55x = 4,360.16 × 1,056.79
  4. Step 4: Simplify right side
    2,905.55x = 4,607,773.49
  5. Step 5: Solve for x
    x = 4,607,773.49/2,905.55
  6. Step 6: Final answer
    x = 1,585.85

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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.