Home / 2,964.79-4,442.95-2,178.64

Finding the Fourth Proportional to 2,964.79, 4,442.95 and 2,178.64

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Solution

The fourth proportional to 2,964.79, 4,442.95 and 2,178.64 is: 3,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.79 : 4,442.95 = 2,178.64 : x
  2. Step 2: Convert to fraction form
    2,964.79/4,442.95 = 2,178.64/x
  3. Step 3: Cross multiply
    2,964.79x = 4,442.95 × 2,178.64
  4. Step 4: Simplify right side
    2,964.79x = 9,679,588.59
  5. Step 5: Solve for x
    x = 9,679,588.59/2,964.79
  6. Step 6: Final answer
    x = 3,264.85

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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.