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Finding the Fourth Proportional to 2,303.84, 3,448.31 and 1,248.21

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Solution

The fourth proportional to 2,303.84, 3,448.31 and 1,248.21 is: 1,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.84 : 3,448.31 = 1,248.21 : x
  2. Step 2: Convert to fraction form
    2,303.84/3,448.31 = 1,248.21/x
  3. Step 3: Cross multiply
    2,303.84x = 3,448.31 × 1,248.21
  4. Step 4: Simplify right side
    2,303.84x = 4,304,208.78
  5. Step 5: Solve for x
    x = 4,304,208.78/2,303.84
  6. Step 6: Final answer
    x = 1,868.27

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1.5x scale

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.