Home / 2,845.08-3,925.89-1,585.95

Finding the Fourth Proportional to 2,845.08, 3,925.89 and 1,585.95

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Solution

The fourth proportional to 2,845.08, 3,925.89 and 1,585.95 is: 2,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.08 : 3,925.89 = 1,585.95 : x
  2. Step 2: Convert to fraction form
    2,845.08/3,925.89 = 1,585.95/x
  3. Step 3: Cross multiply
    2,845.08x = 3,925.89 × 1,585.95
  4. Step 4: Simplify right side
    2,845.08x = 6,226,265.25
  5. Step 5: Solve for x
    x = 6,226,265.25/2,845.08
  6. Step 6: Final answer
    x = 2,188.43

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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.