Home / 2,228.79-3,075.84-1,234.11

Finding the Fourth Proportional to 2,228.79, 3,075.84 and 1,234.11

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Solution

The fourth proportional to 2,228.79, 3,075.84 and 1,234.11 is: 1,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.79 : 3,075.84 = 1,234.11 : x
  2. Step 2: Convert to fraction form
    2,228.79/3,075.84 = 1,234.11/x
  3. Step 3: Cross multiply
    2,228.79x = 3,075.84 × 1,234.11
  4. Step 4: Simplify right side
    2,228.79x = 3,795,924.90
  5. Step 5: Solve for x
    x = 3,795,924.90/2,228.79
  6. Step 6: Final answer
    x = 1,703.13

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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.