Home / 3,485.29-5,228.96-1,404.22

Finding the Fourth Proportional to 3,485.29, 5,228.96 and 1,404.22

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Solution

The fourth proportional to 3,485.29, 5,228.96 and 1,404.22 is: 2,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.29 : 5,228.96 = 1,404.22 : x
  2. Step 2: Convert to fraction form
    3,485.29/5,228.96 = 1,404.22/x
  3. Step 3: Cross multiply
    3,485.29x = 5,228.96 × 1,404.22
  4. Step 4: Simplify right side
    3,485.29x = 7,342,603.19
  5. Step 5: Solve for x
    x = 7,342,603.19/3,485.29
  6. Step 6: Final answer
    x = 2,106.74

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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.