Home / 2,776.13-4,164.21-1,237.13

Finding the Fourth Proportional to 2,776.13, 4,164.21 and 1,237.13

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Solution

The fourth proportional to 2,776.13, 4,164.21 and 1,237.13 is: 1,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.13 : 4,164.21 = 1,237.13 : x
  2. Step 2: Convert to fraction form
    2,776.13/4,164.21 = 1,237.13/x
  3. Step 3: Cross multiply
    2,776.13x = 4,164.21 × 1,237.13
  4. Step 4: Simplify right side
    2,776.13x = 5,151,648.30
  5. Step 5: Solve for x
    x = 5,151,648.30/2,776.13
  6. Step 6: Final answer
    x = 1,855.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.