Home / 2,594.40-3,891.60-2,106.24

Finding the Fourth Proportional to 2,594.40, 3,891.60 and 2,106.24

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Solution

The fourth proportional to 2,594.40, 3,891.60 and 2,106.24 is: 3,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.40 : 3,891.60 = 2,106.24 : x
  2. Step 2: Convert to fraction form
    2,594.40/3,891.60 = 2,106.24/x
  3. Step 3: Cross multiply
    2,594.40x = 3,891.60 × 2,106.24
  4. Step 4: Simplify right side
    2,594.40x = 8,196,643.58
  5. Step 5: Solve for x
    x = 8,196,643.58/2,594.40
  6. Step 6: Final answer
    x = 3,159.36

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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.