Home / 2,310.01-3,187.80-1,262.08

Finding the Fourth Proportional to 2,310.01, 3,187.80 and 1,262.08

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Solution

The fourth proportional to 2,310.01, 3,187.80 and 1,262.08 is: 1,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.01 : 3,187.80 = 1,262.08 : x
  2. Step 2: Convert to fraction form
    2,310.01/3,187.80 = 1,262.08/x
  3. Step 3: Cross multiply
    2,310.01x = 3,187.80 × 1,262.08
  4. Step 4: Simplify right side
    2,310.01x = 4,023,258.62
  5. Step 5: Solve for x
    x = 4,023,258.62/2,310.01
  6. Step 6: Final answer
    x = 1,741.66

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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.