Home / 2,962.14-4,438.53-1,920.30

Finding the Fourth Proportional to 2,962.14, 4,438.53 and 1,920.30

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Solution

The fourth proportional to 2,962.14, 4,438.53 and 1,920.30 is: 2,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.14 : 4,438.53 = 1,920.30 : x
  2. Step 2: Convert to fraction form
    2,962.14/4,438.53 = 1,920.30/x
  3. Step 3: Cross multiply
    2,962.14x = 4,438.53 × 1,920.30
  4. Step 4: Simplify right side
    2,962.14x = 8,523,309.16
  5. Step 5: Solve for x
    x = 8,523,309.16/2,962.14
  6. Step 6: Final answer
    x = 2,877.42

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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.