Home / 2,280.36-3,421.50-964.44

Finding the Fourth Proportional to 2,280.36, 3,421.50 and 964.44

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Solution

The fourth proportional to 2,280.36, 3,421.50 and 964.44 is: 1,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.36 : 3,421.50 = 964.44 : x
  2. Step 2: Convert to fraction form
    2,280.36/3,421.50 = 964.44/x
  3. Step 3: Cross multiply
    2,280.36x = 3,421.50 × 964.44
  4. Step 4: Simplify right side
    2,280.36x = 3,299,831.46
  5. Step 5: Solve for x
    x = 3,299,831.46/2,280.36
  6. Step 6: Final answer
    x = 1,447.07

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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.