Home / 1,865.45-2,574.42-1,119.44

Finding the Fourth Proportional to 1,865.45, 2,574.42 and 1,119.44

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Solution

The fourth proportional to 1,865.45, 2,574.42 and 1,119.44 is: 1,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.45 : 2,574.42 = 1,119.44 : x
  2. Step 2: Convert to fraction form
    1,865.45/2,574.42 = 1,119.44/x
  3. Step 3: Cross multiply
    1,865.45x = 2,574.42 × 1,119.44
  4. Step 4: Simplify right side
    1,865.45x = 2,881,908.72
  5. Step 5: Solve for x
    x = 2,881,908.72/1,865.45
  6. Step 6: Final answer
    x = 1,544.89

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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.