Home / 3,520.95-5,283.18-1,572.63

Finding the Fourth Proportional to 3,520.95, 5,283.18 and 1,572.63

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Solution

The fourth proportional to 3,520.95, 5,283.18 and 1,572.63 is: 2,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.95 : 5,283.18 = 1,572.63 : x
  2. Step 2: Convert to fraction form
    3,520.95/5,283.18 = 1,572.63/x
  3. Step 3: Cross multiply
    3,520.95x = 5,283.18 × 1,572.63
  4. Step 4: Simplify right side
    3,520.95x = 8,308,487.36
  5. Step 5: Solve for x
    x = 8,308,487.36/3,520.95
  6. Step 6: Final answer
    x = 2,359.73

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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.