Home / 3,435.21-5,149.35-1,354.40

Finding the Fourth Proportional to 3,435.21, 5,149.35 and 1,354.40

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Solution

The fourth proportional to 3,435.21, 5,149.35 and 1,354.40 is: 2,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.21 : 5,149.35 = 1,354.40 : x
  2. Step 2: Convert to fraction form
    3,435.21/5,149.35 = 1,354.40/x
  3. Step 3: Cross multiply
    3,435.21x = 5,149.35 × 1,354.40
  4. Step 4: Simplify right side
    3,435.21x = 6,974,272.87
  5. Step 5: Solve for x
    x = 6,974,272.87/3,435.21
  6. Step 6: Final answer
    x = 2,030.23

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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.