Home / 1,863.45-2,570.81-1,154.79

Finding the Fourth Proportional to 1,863.45, 2,570.81 and 1,154.79

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Solution

The fourth proportional to 1,863.45, 2,570.81 and 1,154.79 is: 1,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.45 : 2,570.81 = 1,154.79 : x
  2. Step 2: Convert to fraction form
    1,863.45/2,570.81 = 1,154.79/x
  3. Step 3: Cross multiply
    1,863.45x = 2,570.81 × 1,154.79
  4. Step 4: Simplify right side
    1,863.45x = 2,968,739.91
  5. Step 5: Solve for x
    x = 2,968,739.91/1,863.45
  6. Step 6: Final answer
    x = 1,593.14

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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.