Home / 2,267.81-3,130.14-1,384.35

Finding the Fourth Proportional to 2,267.81, 3,130.14 and 1,384.35

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Solution

The fourth proportional to 2,267.81, 3,130.14 and 1,384.35 is: 1,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.81 : 3,130.14 = 1,384.35 : x
  2. Step 2: Convert to fraction form
    2,267.81/3,130.14 = 1,384.35/x
  3. Step 3: Cross multiply
    2,267.81x = 3,130.14 × 1,384.35
  4. Step 4: Simplify right side
    2,267.81x = 4,333,209.31
  5. Step 5: Solve for x
    x = 4,333,209.31/2,267.81
  6. Step 6: Final answer
    x = 1,910.75

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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.