Home / 3,603.32-5,407.68-1,656.89

Finding the Fourth Proportional to 3,603.32, 5,407.68 and 1,656.89

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Solution

The fourth proportional to 3,603.32, 5,407.68 and 1,656.89 is: 2,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.32 : 5,407.68 = 1,656.89 : x
  2. Step 2: Convert to fraction form
    3,603.32/5,407.68 = 1,656.89/x
  3. Step 3: Cross multiply
    3,603.32x = 5,407.68 × 1,656.89
  4. Step 4: Simplify right side
    3,603.32x = 8,959,903.88
  5. Step 5: Solve for x
    x = 8,959,903.88/3,603.32
  6. Step 6: Final answer
    x = 2,486.57

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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.