Home / 4,206.76-5,802.78-2,712.31

Finding the Fourth Proportional to 4,206.76, 5,802.78 and 2,712.31

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Solution

The fourth proportional to 4,206.76, 5,802.78 and 2,712.31 is: 3,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.76 : 5,802.78 = 2,712.31 : x
  2. Step 2: Convert to fraction form
    4,206.76/5,802.78 = 2,712.31/x
  3. Step 3: Cross multiply
    4,206.76x = 5,802.78 × 2,712.31
  4. Step 4: Simplify right side
    4,206.76x = 15,738,938.22
  5. Step 5: Solve for x
    x = 15,738,938.22/4,206.76
  6. Step 6: Final answer
    x = 3,741.34

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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.