Home / 2,146.41-3,214.11-1,487.35

Finding the Fourth Proportional to 2,146.41, 3,214.11 and 1,487.35

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Solution

The fourth proportional to 2,146.41, 3,214.11 and 1,487.35 is: 2,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.41 : 3,214.11 = 1,487.35 : x
  2. Step 2: Convert to fraction form
    2,146.41/3,214.11 = 1,487.35/x
  3. Step 3: Cross multiply
    2,146.41x = 3,214.11 × 1,487.35
  4. Step 4: Simplify right side
    2,146.41x = 4,780,506.51
  5. Step 5: Solve for x
    x = 4,780,506.51/2,146.41
  6. Step 6: Final answer
    x = 2,227.21

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1.5x scale

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.