Home / 3,097.10-4,271.60-2,152.88

Finding the Fourth Proportional to 3,097.10, 4,271.60 and 2,152.88

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Solution

The fourth proportional to 3,097.10, 4,271.60 and 2,152.88 is: 2,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.10 : 4,271.60 = 2,152.88 : x
  2. Step 2: Convert to fraction form
    3,097.10/4,271.60 = 2,152.88/x
  3. Step 3: Cross multiply
    3,097.10x = 4,271.60 × 2,152.88
  4. Step 4: Simplify right side
    3,097.10x = 9,196,210.09
  5. Step 5: Solve for x
    x = 9,196,210.09/3,097.10
  6. Step 6: Final answer
    x = 2,969.30

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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.