Home / 2,509.46-3,764.55-1,048.28

Finding the Fourth Proportional to 2,509.46, 3,764.55 and 1,048.28

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Solution

The fourth proportional to 2,509.46, 3,764.55 and 1,048.28 is: 1,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.46 : 3,764.55 = 1,048.28 : x
  2. Step 2: Convert to fraction form
    2,509.46/3,764.55 = 1,048.28/x
  3. Step 3: Cross multiply
    2,509.46x = 3,764.55 × 1,048.28
  4. Step 4: Simplify right side
    2,509.46x = 3,946,297.23
  5. Step 5: Solve for x
    x = 3,946,297.23/2,509.46
  6. Step 6: Final answer
    x = 1,572.57

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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.