Home / 1,777.29-2,666.34-1,047.39

Finding the Fourth Proportional to 1,777.29, 2,666.34 and 1,047.39

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Solution

The fourth proportional to 1,777.29, 2,666.34 and 1,047.39 is: 1,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.29 : 2,666.34 = 1,047.39 : x
  2. Step 2: Convert to fraction form
    1,777.29/2,666.34 = 1,047.39/x
  3. Step 3: Cross multiply
    1,777.29x = 2,666.34 × 1,047.39
  4. Step 4: Simplify right side
    1,777.29x = 2,792,697.85
  5. Step 5: Solve for x
    x = 2,792,697.85/1,777.29
  6. Step 6: Final answer
    x = 1,571.32

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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.