Home / 2,267.87-3,130.00-1,384.19

Finding the Fourth Proportional to 2,267.87, 3,130.00 and 1,384.19

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Solution

The fourth proportional to 2,267.87, 3,130.00 and 1,384.19 is: 1,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.87 : 3,130.00 = 1,384.19 : x
  2. Step 2: Convert to fraction form
    2,267.87/3,130.00 = 1,384.19/x
  3. Step 3: Cross multiply
    2,267.87x = 3,130.00 × 1,384.19
  4. Step 4: Simplify right side
    2,267.87x = 4,332,509.24
  5. Step 5: Solve for x
    x = 4,332,509.24/2,267.87
  6. Step 6: Final answer
    x = 1,910.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.