Home / 4,122.34-5,688.80-2,259.34

Finding the Fourth Proportional to 4,122.34, 5,688.80 and 2,259.34

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Solution

The fourth proportional to 4,122.34, 5,688.80 and 2,259.34 is: 3,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.34 : 5,688.80 = 2,259.34 : x
  2. Step 2: Convert to fraction form
    4,122.34/5,688.80 = 2,259.34/x
  3. Step 3: Cross multiply
    4,122.34x = 5,688.80 × 2,259.34
  4. Step 4: Simplify right side
    4,122.34x = 12,852,933.39
  5. Step 5: Solve for x
    x = 12,852,933.39/4,122.34
  6. Step 6: Final answer
    x = 3,117.87

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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.