Home / 2,773.24-4,160.16-1,312.84

Finding the Fourth Proportional to 2,773.24, 4,160.16 and 1,312.84

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Solution

The fourth proportional to 2,773.24, 4,160.16 and 1,312.84 is: 1,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.24 : 4,160.16 = 1,312.84 : x
  2. Step 2: Convert to fraction form
    2,773.24/4,160.16 = 1,312.84/x
  3. Step 3: Cross multiply
    2,773.24x = 4,160.16 × 1,312.84
  4. Step 4: Simplify right side
    2,773.24x = 5,461,624.45
  5. Step 5: Solve for x
    x = 5,461,624.45/2,773.24
  6. Step 6: Final answer
    x = 1,969.40

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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.