Home / 2,756.39-4,133.28-1,068.57

Finding the Fourth Proportional to 2,756.39, 4,133.28 and 1,068.57

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Solution

The fourth proportional to 2,756.39, 4,133.28 and 1,068.57 is: 1,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.39 : 4,133.28 = 1,068.57 : x
  2. Step 2: Convert to fraction form
    2,756.39/4,133.28 = 1,068.57/x
  3. Step 3: Cross multiply
    2,756.39x = 4,133.28 × 1,068.57
  4. Step 4: Simplify right side
    2,756.39x = 4,416,705.63
  5. Step 5: Solve for x
    x = 4,416,705.63/2,756.39
  6. Step 6: Final answer
    x = 1,602.35

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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.