Home / 3,535.31-5,299.71-1,586.45

Finding the Fourth Proportional to 3,535.31, 5,299.71 and 1,586.45

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Solution

The fourth proportional to 3,535.31, 5,299.71 and 1,586.45 is: 2,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.31 : 5,299.71 = 1,586.45 : x
  2. Step 2: Convert to fraction form
    3,535.31/5,299.71 = 1,586.45/x
  3. Step 3: Cross multiply
    3,535.31x = 5,299.71 × 1,586.45
  4. Step 4: Simplify right side
    3,535.31x = 8,407,698.43
  5. Step 5: Solve for x
    x = 8,407,698.43/3,535.31
  6. Step 6: Final answer
    x = 2,378.21

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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.