Home / 2,585.43-3,878.55-2,445.39

Finding the Fourth Proportional to 2,585.43, 3,878.55 and 2,445.39

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Solution

The fourth proportional to 2,585.43, 3,878.55 and 2,445.39 is: 3,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.43 : 3,878.55 = 2,445.39 : x
  2. Step 2: Convert to fraction form
    2,585.43/3,878.55 = 2,445.39/x
  3. Step 3: Cross multiply
    2,585.43x = 3,878.55 × 2,445.39
  4. Step 4: Simplify right side
    2,585.43x = 9,484,567.38
  5. Step 5: Solve for x
    x = 9,484,567.38/2,585.43
  6. Step 6: Final answer
    x = 3,668.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.