Home / 3,366.47-4,645.48-1,874.32

Finding the Fourth Proportional to 3,366.47, 4,645.48 and 1,874.32

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Solution

The fourth proportional to 3,366.47, 4,645.48 and 1,874.32 is: 2,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.47 : 4,645.48 = 1,874.32 : x
  2. Step 2: Convert to fraction form
    3,366.47/4,645.48 = 1,874.32/x
  3. Step 3: Cross multiply
    3,366.47x = 4,645.48 × 1,874.32
  4. Step 4: Simplify right side
    3,366.47x = 8,707,116.07
  5. Step 5: Solve for x
    x = 8,707,116.07/3,366.47
  6. Step 6: Final answer
    x = 2,586.42

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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.