Home / 3,515.61-5,273.30-1,435.63

Finding the Fourth Proportional to 3,515.61, 5,273.30 and 1,435.63

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Solution

The fourth proportional to 3,515.61, 5,273.30 and 1,435.63 is: 2,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.61 : 5,273.30 = 1,435.63 : x
  2. Step 2: Convert to fraction form
    3,515.61/5,273.30 = 1,435.63/x
  3. Step 3: Cross multiply
    3,515.61x = 5,273.30 × 1,435.63
  4. Step 4: Simplify right side
    3,515.61x = 7,570,507.68
  5. Step 5: Solve for x
    x = 7,570,507.68/3,515.61
  6. Step 6: Final answer
    x = 2,153.40

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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.