Home / 2,421.46-3,628.50-959.86

Finding the Fourth Proportional to 2,421.46, 3,628.50 and 959.86

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Solution

The fourth proportional to 2,421.46, 3,628.50 and 959.86 is: 1,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.46 : 3,628.50 = 959.86 : x
  2. Step 2: Convert to fraction form
    2,421.46/3,628.50 = 959.86/x
  3. Step 3: Cross multiply
    2,421.46x = 3,628.50 × 959.86
  4. Step 4: Simplify right side
    2,421.46x = 3,482,852.01
  5. Step 5: Solve for x
    x = 3,482,852.01/2,421.46
  6. Step 6: Final answer
    x = 1,438.33

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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.