Home / 3,573.80-4,931.82-2,001.80

Finding the Fourth Proportional to 3,573.80, 4,931.82 and 2,001.80

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Solution

The fourth proportional to 3,573.80, 4,931.82 and 2,001.80 is: 2,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.80 : 4,931.82 = 2,001.80 : x
  2. Step 2: Convert to fraction form
    3,573.80/4,931.82 = 2,001.80/x
  3. Step 3: Cross multiply
    3,573.80x = 4,931.82 × 2,001.80
  4. Step 4: Simplify right side
    3,573.80x = 9,872,517.28
  5. Step 5: Solve for x
    x = 9,872,517.28/3,573.80
  6. Step 6: Final answer
    x = 2,762.47

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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.