Home / 2,966.48-4,091.80-2,080.72

Finding the Fourth Proportional to 2,966.48, 4,091.80 and 2,080.72

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Solution

The fourth proportional to 2,966.48, 4,091.80 and 2,080.72 is: 2,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.48 : 4,091.80 = 2,080.72 : x
  2. Step 2: Convert to fraction form
    2,966.48/4,091.80 = 2,080.72/x
  3. Step 3: Cross multiply
    2,966.48x = 4,091.80 × 2,080.72
  4. Step 4: Simplify right side
    2,966.48x = 8,513,890.10
  5. Step 5: Solve for x
    x = 8,513,890.10/2,966.48
  6. Step 6: Final answer
    x = 2,870.03

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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.