Home / 3,089.93-4,264.77-1,970.62

Finding the Fourth Proportional to 3,089.93, 4,264.77 and 1,970.62

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Solution

The fourth proportional to 3,089.93, 4,264.77 and 1,970.62 is: 2,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.93 : 4,264.77 = 1,970.62 : x
  2. Step 2: Convert to fraction form
    3,089.93/4,264.77 = 1,970.62/x
  3. Step 3: Cross multiply
    3,089.93x = 4,264.77 × 1,970.62
  4. Step 4: Simplify right side
    3,089.93x = 8,404,241.06
  5. Step 5: Solve for x
    x = 8,404,241.06/3,089.93
  6. Step 6: Final answer
    x = 2,719.88

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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.