Home / 3,516.45-5,275.50-1,762.19

Finding the Fourth Proportional to 3,516.45, 5,275.50 and 1,762.19

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Solution

The fourth proportional to 3,516.45, 5,275.50 and 1,762.19 is: 2,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.45 : 5,275.50 = 1,762.19 : x
  2. Step 2: Convert to fraction form
    3,516.45/5,275.50 = 1,762.19/x
  3. Step 3: Cross multiply
    3,516.45x = 5,275.50 × 1,762.19
  4. Step 4: Simplify right side
    3,516.45x = 9,296,420.14
  5. Step 5: Solve for x
    x = 9,296,420.14/3,516.45
  6. Step 6: Final answer
    x = 2,643.70

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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.