Home / 2,259.84-3,387.06-1,284.60

Finding the Fourth Proportional to 2,259.84, 3,387.06 and 1,284.60

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Solution

The fourth proportional to 2,259.84, 3,387.06 and 1,284.60 is: 1,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.84 : 3,387.06 = 1,284.60 : x
  2. Step 2: Convert to fraction form
    2,259.84/3,387.06 = 1,284.60/x
  3. Step 3: Cross multiply
    2,259.84x = 3,387.06 × 1,284.60
  4. Step 4: Simplify right side
    2,259.84x = 4,351,017.28
  5. Step 5: Solve for x
    x = 4,351,017.28/2,259.84
  6. Step 6: Final answer
    x = 1,925.37

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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.