Home / 3,521.52-4,860.03-2,029.50

Finding the Fourth Proportional to 3,521.52, 4,860.03 and 2,029.50

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Solution

The fourth proportional to 3,521.52, 4,860.03 and 2,029.50 is: 2,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.52 : 4,860.03 = 2,029.50 : x
  2. Step 2: Convert to fraction form
    3,521.52/4,860.03 = 2,029.50/x
  3. Step 3: Cross multiply
    3,521.52x = 4,860.03 × 2,029.50
  4. Step 4: Simplify right side
    3,521.52x = 9,863,430.89
  5. Step 5: Solve for x
    x = 9,863,430.89/3,521.52
  6. Step 6: Final answer
    x = 2,800.90

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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.