Home / 3,503.07-4,833.90-2,158.47

Finding the Fourth Proportional to 3,503.07, 4,833.90 and 2,158.47

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Solution

The fourth proportional to 3,503.07, 4,833.90 and 2,158.47 is: 2,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.07 : 4,833.90 = 2,158.47 : x
  2. Step 2: Convert to fraction form
    3,503.07/4,833.90 = 2,158.47/x
  3. Step 3: Cross multiply
    3,503.07x = 4,833.90 × 2,158.47
  4. Step 4: Simplify right side
    3,503.07x = 10,433,828.13
  5. Step 5: Solve for x
    x = 10,433,828.13/3,503.07
  6. Step 6: Final answer
    x = 2,978.48

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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.