Home / 2,236.01-3,084.98-1,291.67

Finding the Fourth Proportional to 2,236.01, 3,084.98 and 1,291.67

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Solution

The fourth proportional to 2,236.01, 3,084.98 and 1,291.67 is: 1,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.01 : 3,084.98 = 1,291.67 : x
  2. Step 2: Convert to fraction form
    2,236.01/3,084.98 = 1,291.67/x
  3. Step 3: Cross multiply
    2,236.01x = 3,084.98 × 1,291.67
  4. Step 4: Simplify right side
    2,236.01x = 3,984,790.42
  5. Step 5: Solve for x
    x = 3,984,790.42/2,236.01
  6. Step 6: Final answer
    x = 1,782.10

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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.