Home / 4,283.56-5,911.26-2,420.56

Finding the Fourth Proportional to 4,283.56, 5,911.26 and 2,420.56

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Solution

The fourth proportional to 4,283.56, 5,911.26 and 2,420.56 is: 3,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.56 : 5,911.26 = 2,420.56 : x
  2. Step 2: Convert to fraction form
    4,283.56/5,911.26 = 2,420.56/x
  3. Step 3: Cross multiply
    4,283.56x = 5,911.26 × 2,420.56
  4. Step 4: Simplify right side
    4,283.56x = 14,308,559.51
  5. Step 5: Solve for x
    x = 14,308,559.51/4,283.56
  6. Step 6: Final answer
    x = 3,340.34

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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.