Home / 3,117.09-4,301.46-1,772.58

Finding the Fourth Proportional to 3,117.09, 4,301.46 and 1,772.58

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Solution

The fourth proportional to 3,117.09, 4,301.46 and 1,772.58 is: 2,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.09 : 4,301.46 = 1,772.58 : x
  2. Step 2: Convert to fraction form
    3,117.09/4,301.46 = 1,772.58/x
  3. Step 3: Cross multiply
    3,117.09x = 4,301.46 × 1,772.58
  4. Step 4: Simplify right side
    3,117.09x = 7,624,681.97
  5. Step 5: Solve for x
    x = 7,624,681.97/3,117.09
  6. Step 6: Final answer
    x = 2,446.09

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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.