Home / 3,184.47-4,394.13-1,858.32

Finding the Fourth Proportional to 3,184.47, 4,394.13 and 1,858.32

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Solution

The fourth proportional to 3,184.47, 4,394.13 and 1,858.32 is: 2,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.47 : 4,394.13 = 1,858.32 : x
  2. Step 2: Convert to fraction form
    3,184.47/4,394.13 = 1,858.32/x
  3. Step 3: Cross multiply
    3,184.47x = 4,394.13 × 1,858.32
  4. Step 4: Simplify right side
    3,184.47x = 8,165,699.66
  5. Step 5: Solve for x
    x = 8,165,699.66/3,184.47
  6. Step 6: Final answer
    x = 2,564.23

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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.