Home / 4,122.23-5,688.81-2,353.79

Finding the Fourth Proportional to 4,122.23, 5,688.81 and 2,353.79

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Solution

The fourth proportional to 4,122.23, 5,688.81 and 2,353.79 is: 3,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.23 : 5,688.81 = 2,353.79 : x
  2. Step 2: Convert to fraction form
    4,122.23/5,688.81 = 2,353.79/x
  3. Step 3: Cross multiply
    4,122.23x = 5,688.81 × 2,353.79
  4. Step 4: Simplify right side
    4,122.23x = 13,390,278.31
  5. Step 5: Solve for x
    x = 13,390,278.31/4,122.23
  6. Step 6: Final answer
    x = 3,248.31

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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.