Home / 2,860.11-4,291.81-1,543.86

Finding the Fourth Proportional to 2,860.11, 4,291.81 and 1,543.86

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Solution

The fourth proportional to 2,860.11, 4,291.81 and 1,543.86 is: 2,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.11 : 4,291.81 = 1,543.86 : x
  2. Step 2: Convert to fraction form
    2,860.11/4,291.81 = 1,543.86/x
  3. Step 3: Cross multiply
    2,860.11x = 4,291.81 × 1,543.86
  4. Step 4: Simplify right side
    2,860.11x = 6,625,953.79
  5. Step 5: Solve for x
    x = 6,625,953.79/2,860.11
  6. Step 6: Final answer
    x = 2,316.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.