Home / 2,509.18-3,763.77-1,047.53

Finding the Fourth Proportional to 2,509.18, 3,763.77 and 1,047.53

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Solution

The fourth proportional to 2,509.18, 3,763.77 and 1,047.53 is: 1,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.18 : 3,763.77 = 1,047.53 : x
  2. Step 2: Convert to fraction form
    2,509.18/3,763.77 = 1,047.53/x
  3. Step 3: Cross multiply
    2,509.18x = 3,763.77 × 1,047.53
  4. Step 4: Simplify right side
    2,509.18x = 3,942,668.78
  5. Step 5: Solve for x
    x = 3,942,668.78/2,509.18
  6. Step 6: Final answer
    x = 1,571.30

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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.