Home / 2,962.12-4,089.44-1,968.76

Finding the Fourth Proportional to 2,962.12, 4,089.44 and 1,968.76

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Solution

The fourth proportional to 2,962.12, 4,089.44 and 1,968.76 is: 2,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.12 : 4,089.44 = 1,968.76 : x
  2. Step 2: Convert to fraction form
    2,962.12/4,089.44 = 1,968.76/x
  3. Step 3: Cross multiply
    2,962.12x = 4,089.44 × 1,968.76
  4. Step 4: Simplify right side
    2,962.12x = 8,051,125.89
  5. Step 5: Solve for x
    x = 8,051,125.89/2,962.12
  6. Step 6: Final answer
    x = 2,718.03

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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.