Home / 3,465.57-5,197.80-1,125.63

Finding the Fourth Proportional to 3,465.57, 5,197.80 and 1,125.63

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Solution

The fourth proportional to 3,465.57, 5,197.80 and 1,125.63 is: 1,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.57 : 5,197.80 = 1,125.63 : x
  2. Step 2: Convert to fraction form
    3,465.57/5,197.80 = 1,125.63/x
  3. Step 3: Cross multiply
    3,465.57x = 5,197.80 × 1,125.63
  4. Step 4: Simplify right side
    3,465.57x = 5,850,799.61
  5. Step 5: Solve for x
    x = 5,850,799.61/3,465.57
  6. Step 6: Final answer
    x = 1,688.26

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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.