Home / 3,501.40-4,832.16-2,009.80

Finding the Fourth Proportional to 3,501.40, 4,832.16 and 2,009.80

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Solution

The fourth proportional to 3,501.40, 4,832.16 and 2,009.80 is: 2,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.40 : 4,832.16 = 2,009.80 : x
  2. Step 2: Convert to fraction form
    3,501.40/4,832.16 = 2,009.80/x
  3. Step 3: Cross multiply
    3,501.40x = 4,832.16 × 2,009.80
  4. Step 4: Simplify right side
    3,501.40x = 9,711,675.17
  5. Step 5: Solve for x
    x = 9,711,675.17/3,501.40
  6. Step 6: Final answer
    x = 2,773.65

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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.