Home / 3,438.66-4,740.51-2,443.58

Finding the Fourth Proportional to 3,438.66, 4,740.51 and 2,443.58

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Solution

The fourth proportional to 3,438.66, 4,740.51 and 2,443.58 is: 3,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.66 : 4,740.51 = 2,443.58 : x
  2. Step 2: Convert to fraction form
    3,438.66/4,740.51 = 2,443.58/x
  3. Step 3: Cross multiply
    3,438.66x = 4,740.51 × 2,443.58
  4. Step 4: Simplify right side
    3,438.66x = 11,583,804.92
  5. Step 5: Solve for x
    x = 11,583,804.92/3,438.66
  6. Step 6: Final answer
    x = 3,368.69

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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.