Home / 3,148.49-4,722.84-1,068.35

Finding the Fourth Proportional to 3,148.49, 4,722.84 and 1,068.35

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Solution

The fourth proportional to 3,148.49, 4,722.84 and 1,068.35 is: 1,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.49 : 4,722.84 = 1,068.35 : x
  2. Step 2: Convert to fraction form
    3,148.49/4,722.84 = 1,068.35/x
  3. Step 3: Cross multiply
    3,148.49x = 4,722.84 × 1,068.35
  4. Step 4: Simplify right side
    3,148.49x = 5,045,622.50
  5. Step 5: Solve for x
    x = 5,045,622.50/3,148.49
  6. Step 6: Final answer
    x = 1,602.55

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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.