Home / 3,059.90-4,222.20-1,864.27

Finding the Fourth Proportional to 3,059.90, 4,222.20 and 1,864.27

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Solution

The fourth proportional to 3,059.90, 4,222.20 and 1,864.27 is: 2,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.90 : 4,222.20 = 1,864.27 : x
  2. Step 2: Convert to fraction form
    3,059.90/4,222.20 = 1,864.27/x
  3. Step 3: Cross multiply
    3,059.90x = 4,222.20 × 1,864.27
  4. Step 4: Simplify right side
    3,059.90x = 7,871,304.07
  5. Step 5: Solve for x
    x = 7,871,304.07/3,059.90
  6. Step 6: Final answer
    x = 2,572.40

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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.