Home / 3,355.65-4,630.80-2,029.35

Finding the Fourth Proportional to 3,355.65, 4,630.80 and 2,029.35

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Solution

The fourth proportional to 3,355.65, 4,630.80 and 2,029.35 is: 2,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.65 : 4,630.80 = 2,029.35 : x
  2. Step 2: Convert to fraction form
    3,355.65/4,630.80 = 2,029.35/x
  3. Step 3: Cross multiply
    3,355.65x = 4,630.80 × 2,029.35
  4. Step 4: Simplify right side
    3,355.65x = 9,397,521.83
  5. Step 5: Solve for x
    x = 9,397,521.83/3,355.65
  6. Step 6: Final answer
    x = 2,800.50

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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.