Home / 4,212.80-5,813.64-2,298.62

Finding the Fourth Proportional to 4,212.80, 5,813.64 and 2,298.62

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Solution

The fourth proportional to 4,212.80, 5,813.64 and 2,298.62 is: 3,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.80 : 5,813.64 = 2,298.62 : x
  2. Step 2: Convert to fraction form
    4,212.80/5,813.64 = 2,298.62/x
  3. Step 3: Cross multiply
    4,212.80x = 5,813.64 × 2,298.62
  4. Step 4: Simplify right side
    4,212.80x = 13,363,349.18
  5. Step 5: Solve for x
    x = 13,363,349.18/4,212.80
  6. Step 6: Final answer
    x = 3,172.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.