Home / 1,585.78-2,369.49-1,144.94

Finding the Fourth Proportional to 1,585.78, 2,369.49 and 1,144.94

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Solution

The fourth proportional to 1,585.78, 2,369.49 and 1,144.94 is: 1,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.78 : 2,369.49 = 1,144.94 : x
  2. Step 2: Convert to fraction form
    1,585.78/2,369.49 = 1,144.94/x
  3. Step 3: Cross multiply
    1,585.78x = 2,369.49 × 1,144.94
  4. Step 4: Simplify right side
    1,585.78x = 2,712,906.31
  5. Step 5: Solve for x
    x = 2,712,906.31/1,585.78
  6. Step 6: Final answer
    x = 1,710.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.