Home / 3,097.60-4,275.06-1,771.72

Finding the Fourth Proportional to 3,097.60, 4,275.06 and 1,771.72

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Solution

The fourth proportional to 3,097.60, 4,275.06 and 1,771.72 is: 2,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.60 : 4,275.06 = 1,771.72 : x
  2. Step 2: Convert to fraction form
    3,097.60/4,275.06 = 1,771.72/x
  3. Step 3: Cross multiply
    3,097.60x = 4,275.06 × 1,771.72
  4. Step 4: Simplify right side
    3,097.60x = 7,574,209.30
  5. Step 5: Solve for x
    x = 7,574,209.30/3,097.60
  6. Step 6: Final answer
    x = 2,445.19

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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.