Home / 3,901.64-5,854.77-1,438.19

Finding the Fourth Proportional to 3,901.64, 5,854.77 and 1,438.19

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Solution

The fourth proportional to 3,901.64, 5,854.77 and 1,438.19 is: 2,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.64 : 5,854.77 = 1,438.19 : x
  2. Step 2: Convert to fraction form
    3,901.64/5,854.77 = 1,438.19/x
  3. Step 3: Cross multiply
    3,901.64x = 5,854.77 × 1,438.19
  4. Step 4: Simplify right side
    3,901.64x = 8,420,242.39
  5. Step 5: Solve for x
    x = 8,420,242.39/3,901.64
  6. Step 6: Final answer
    x = 2,158.13

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1.5x scale

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.