Home / 1,776.42-2,450.14-1,304.17

Finding the Fourth Proportional to 1,776.42, 2,450.14 and 1,304.17

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Solution

The fourth proportional to 1,776.42, 2,450.14 and 1,304.17 is: 1,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.42 : 2,450.14 = 1,304.17 : x
  2. Step 2: Convert to fraction form
    1,776.42/2,450.14 = 1,304.17/x
  3. Step 3: Cross multiply
    1,776.42x = 2,450.14 × 1,304.17
  4. Step 4: Simplify right side
    1,776.42x = 3,195,389.70
  5. Step 5: Solve for x
    x = 3,195,389.70/1,776.42
  6. Step 6: Final answer
    x = 1,798.78

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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.