Home / 1,786.14-2,465.01-1,123.56

Finding the Fourth Proportional to 1,786.14, 2,465.01 and 1,123.56

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Solution

The fourth proportional to 1,786.14, 2,465.01 and 1,123.56 is: 1,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.14 : 2,465.01 = 1,123.56 : x
  2. Step 2: Convert to fraction form
    1,786.14/2,465.01 = 1,123.56/x
  3. Step 3: Cross multiply
    1,786.14x = 2,465.01 × 1,123.56
  4. Step 4: Simplify right side
    1,786.14x = 2,769,586.64
  5. Step 5: Solve for x
    x = 2,769,586.64/1,786.14
  6. Step 6: Final answer
    x = 1,550.60

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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.