Home / 2,760.48-4,140.72-1,892.16

Finding the Fourth Proportional to 2,760.48, 4,140.72 and 1,892.16

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Solution

The fourth proportional to 2,760.48, 4,140.72 and 1,892.16 is: 2,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.48 : 4,140.72 = 1,892.16 : x
  2. Step 2: Convert to fraction form
    2,760.48/4,140.72 = 1,892.16/x
  3. Step 3: Cross multiply
    2,760.48x = 4,140.72 × 1,892.16
  4. Step 4: Simplify right side
    2,760.48x = 7,834,904.76
  5. Step 5: Solve for x
    x = 7,834,904.76/2,760.48
  6. Step 6: Final answer
    x = 2,838.24

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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.