Home / 2,302.12-3,157.80-2,282.35

Finding the Fourth Proportional to 2,302.12, 3,157.80 and 2,282.35

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Solution

The fourth proportional to 2,302.12, 3,157.80 and 2,282.35 is: 3,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.12 : 3,157.80 = 2,282.35 : x
  2. Step 2: Convert to fraction form
    2,302.12/3,157.80 = 2,282.35/x
  3. Step 3: Cross multiply
    2,302.12x = 3,157.80 × 2,282.35
  4. Step 4: Simplify right side
    2,302.12x = 7,207,204.83
  5. Step 5: Solve for x
    x = 7,207,204.83/2,302.12
  6. Step 6: Final answer
    x = 3,130.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.