Home / 3,465.49-5,221.62-2,862.70

Finding the Fourth Proportional to 3,465.49, 5,221.62 and 2,862.70

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Solution

The fourth proportional to 3,465.49, 5,221.62 and 2,862.70 is: 4,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.49 : 5,221.62 = 2,862.70 : x
  2. Step 2: Convert to fraction form
    3,465.49/5,221.62 = 2,862.70/x
  3. Step 3: Cross multiply
    3,465.49x = 5,221.62 × 2,862.70
  4. Step 4: Simplify right side
    3,465.49x = 14,947,931.57
  5. Step 5: Solve for x
    x = 14,947,931.57/3,465.49
  6. Step 6: Final answer
    x = 4,313.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.