Home / 4,212.39-5,812.70-2,349.51

Finding the Fourth Proportional to 4,212.39, 5,812.70 and 2,349.51

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Solution

The fourth proportional to 4,212.39, 5,812.70 and 2,349.51 is: 3,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.39 : 5,812.70 = 2,349.51 : x
  2. Step 2: Convert to fraction form
    4,212.39/5,812.70 = 2,349.51/x
  3. Step 3: Cross multiply
    4,212.39x = 5,812.70 × 2,349.51
  4. Step 4: Simplify right side
    4,212.39x = 13,656,985.03
  5. Step 5: Solve for x
    x = 13,656,985.03/4,212.39
  6. Step 6: Final answer
    x = 3,242.10

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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.