Home / 2,178.36-3,267.56-534.93

Finding the Fourth Proportional to 2,178.36, 3,267.56 and 534.93

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Solution

The fourth proportional to 2,178.36, 3,267.56 and 534.93 is: 802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.36 : 3,267.56 = 534.93 : x
  2. Step 2: Convert to fraction form
    2,178.36/3,267.56 = 534.93/x
  3. Step 3: Cross multiply
    2,178.36x = 3,267.56 × 534.93
  4. Step 4: Simplify right side
    2,178.36x = 1,747,904.95
  5. Step 5: Solve for x
    x = 1,747,904.95/2,178.36
  6. Step 6: Final answer
    x = 802.39

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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.