Home / 2,585.39-3,567.79-1,406.44

Finding the Fourth Proportional to 2,585.39, 3,567.79 and 1,406.44

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Solution

The fourth proportional to 2,585.39, 3,567.79 and 1,406.44 is: 1,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.39 : 3,567.79 = 1,406.44 : x
  2. Step 2: Convert to fraction form
    2,585.39/3,567.79 = 1,406.44/x
  3. Step 3: Cross multiply
    2,585.39x = 3,567.79 × 1,406.44
  4. Step 4: Simplify right side
    2,585.39x = 5,017,888.79
  5. Step 5: Solve for x
    x = 5,017,888.79/2,585.39
  6. Step 6: Final answer
    x = 1,940.87

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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.