Home / 4,200.15-5,795.13-2,430.71

Finding the Fourth Proportional to 4,200.15, 5,795.13 and 2,430.71

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Solution

The fourth proportional to 4,200.15, 5,795.13 and 2,430.71 is: 3,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.15 : 5,795.13 = 2,430.71 : x
  2. Step 2: Convert to fraction form
    4,200.15/5,795.13 = 2,430.71/x
  3. Step 3: Cross multiply
    4,200.15x = 5,795.13 × 2,430.71
  4. Step 4: Simplify right side
    4,200.15x = 14,086,251.47
  5. Step 5: Solve for x
    x = 14,086,251.47/4,200.15
  6. Step 6: Final answer
    x = 3,353.75

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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.