Home / 3,097.51-4,274.58-1,681.20

Finding the Fourth Proportional to 3,097.51, 4,274.58 and 1,681.20

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Solution

The fourth proportional to 3,097.51, 4,274.58 and 1,681.20 is: 2,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.51 : 4,274.58 = 1,681.20 : x
  2. Step 2: Convert to fraction form
    3,097.51/4,274.58 = 1,681.20/x
  3. Step 3: Cross multiply
    3,097.51x = 4,274.58 × 1,681.20
  4. Step 4: Simplify right side
    3,097.51x = 7,186,423.90
  5. Step 5: Solve for x
    x = 7,186,423.90/3,097.51
  6. Step 6: Final answer
    x = 2,320.06

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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.