Home / 3,097.35-4,274.34-1,681.07

Finding the Fourth Proportional to 3,097.35, 4,274.34 and 1,681.07

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Solution

The fourth proportional to 3,097.35, 4,274.34 and 1,681.07 is: 2,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.35 : 4,274.34 = 1,681.07 : x
  2. Step 2: Convert to fraction form
    3,097.35/4,274.34 = 1,681.07/x
  3. Step 3: Cross multiply
    3,097.35x = 4,274.34 × 1,681.07
  4. Step 4: Simplify right side
    3,097.35x = 7,185,437.07
  5. Step 5: Solve for x
    x = 7,185,437.07/3,097.35
  6. Step 6: Final answer
    x = 2,319.87

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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.