Home / 2,329.41-3,214.50-1,421.35

Finding the Fourth Proportional to 2,329.41, 3,214.50 and 1,421.35

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Solution

The fourth proportional to 2,329.41, 3,214.50 and 1,421.35 is: 1,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.41 : 3,214.50 = 1,421.35 : x
  2. Step 2: Convert to fraction form
    2,329.41/3,214.50 = 1,421.35/x
  3. Step 3: Cross multiply
    2,329.41x = 3,214.50 × 1,421.35
  4. Step 4: Simplify right side
    2,329.41x = 4,568,929.58
  5. Step 5: Solve for x
    x = 4,568,929.58/2,329.41
  6. Step 6: Final answer
    x = 1,961.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.