Home / 3,223.74-4,829.13-1,681.50

Finding the Fourth Proportional to 3,223.74, 4,829.13 and 1,681.50

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Solution

The fourth proportional to 3,223.74, 4,829.13 and 1,681.50 is: 2,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.74 : 4,829.13 = 1,681.50 : x
  2. Step 2: Convert to fraction form
    3,223.74/4,829.13 = 1,681.50/x
  3. Step 3: Cross multiply
    3,223.74x = 4,829.13 × 1,681.50
  4. Step 4: Simplify right side
    3,223.74x = 8,120,182.10
  5. Step 5: Solve for x
    x = 8,120,182.10/3,223.74
  6. Step 6: Final answer
    x = 2,518.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.