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Finding the Fourth Proportional to 2,844.57, 3,925.12 and 1,585.47

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Solution

The fourth proportional to 2,844.57, 3,925.12 and 1,585.47 is: 2,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.57 : 3,925.12 = 1,585.47 : x
  2. Step 2: Convert to fraction form
    2,844.57/3,925.12 = 1,585.47/x
  3. Step 3: Cross multiply
    2,844.57x = 3,925.12 × 1,585.47
  4. Step 4: Simplify right side
    2,844.57x = 6,223,169.28
  5. Step 5: Solve for x
    x = 6,223,169.28/2,844.57
  6. Step 6: Final answer
    x = 2,187.74

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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.