Home / 2,962.74-4,089.76-1,967.70

Finding the Fourth Proportional to 2,962.74, 4,089.76 and 1,967.70

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Solution

The fourth proportional to 2,962.74, 4,089.76 and 1,967.70 is: 2,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.74 : 4,089.76 = 1,967.70 : x
  2. Step 2: Convert to fraction form
    2,962.74/4,089.76 = 1,967.70/x
  3. Step 3: Cross multiply
    2,962.74x = 4,089.76 × 1,967.70
  4. Step 4: Simplify right side
    2,962.74x = 8,047,420.75
  5. Step 5: Solve for x
    x = 8,047,420.75/2,962.74
  6. Step 6: Final answer
    x = 2,716.21

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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.