Home / 2,769.23-4,153.77-1,125.36

Finding the Fourth Proportional to 2,769.23, 4,153.77 and 1,125.36

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Solution

The fourth proportional to 2,769.23, 4,153.77 and 1,125.36 is: 1,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.23 : 4,153.77 = 1,125.36 : x
  2. Step 2: Convert to fraction form
    2,769.23/4,153.77 = 1,125.36/x
  3. Step 3: Cross multiply
    2,769.23x = 4,153.77 × 1,125.36
  4. Step 4: Simplify right side
    2,769.23x = 4,674,502.18
  5. Step 5: Solve for x
    x = 4,674,502.18/2,769.23
  6. Step 6: Final answer
    x = 1,688.02

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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.