Home / 3,439.37-4,746.39-1,867.47

Finding the Fourth Proportional to 3,439.37, 4,746.39 and 1,867.47

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Solution

The fourth proportional to 3,439.37, 4,746.39 and 1,867.47 is: 2,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.37 : 4,746.39 = 1,867.47 : x
  2. Step 2: Convert to fraction form
    3,439.37/4,746.39 = 1,867.47/x
  3. Step 3: Cross multiply
    3,439.37x = 4,746.39 × 1,867.47
  4. Step 4: Simplify right side
    3,439.37x = 8,863,740.93
  5. Step 5: Solve for x
    x = 8,863,740.93/3,439.37
  6. Step 6: Final answer
    x = 2,577.14

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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.