Home / 3,117.05-4,301.52-1,772.58

Finding the Fourth Proportional to 3,117.05, 4,301.52 and 1,772.58

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Solution

The fourth proportional to 3,117.05, 4,301.52 and 1,772.58 is: 2,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.05 : 4,301.52 = 1,772.58 : x
  2. Step 2: Convert to fraction form
    3,117.05/4,301.52 = 1,772.58/x
  3. Step 3: Cross multiply
    3,117.05x = 4,301.52 × 1,772.58
  4. Step 4: Simplify right side
    3,117.05x = 7,624,788.32
  5. Step 5: Solve for x
    x = 7,624,788.32/3,117.05
  6. Step 6: Final answer
    x = 2,446.16

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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.