Home / 3,157.36-4,351.24-2,271.62

Finding the Fourth Proportional to 3,157.36, 4,351.24 and 2,271.62

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Solution

The fourth proportional to 3,157.36, 4,351.24 and 2,271.62 is: 3,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.36 : 4,351.24 = 2,271.62 : x
  2. Step 2: Convert to fraction form
    3,157.36/4,351.24 = 2,271.62/x
  3. Step 3: Cross multiply
    3,157.36x = 4,351.24 × 2,271.62
  4. Step 4: Simplify right side
    3,157.36x = 9,884,363.81
  5. Step 5: Solve for x
    x = 9,884,363.81/3,157.36
  6. Step 6: Final answer
    x = 3,130.58

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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.