Home / 2,800.47-4,199.34-1,045.41

Finding the Fourth Proportional to 2,800.47, 4,199.34 and 1,045.41

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Solution

The fourth proportional to 2,800.47, 4,199.34 and 1,045.41 is: 1,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.47 : 4,199.34 = 1,045.41 : x
  2. Step 2: Convert to fraction form
    2,800.47/4,199.34 = 1,045.41/x
  3. Step 3: Cross multiply
    2,800.47x = 4,199.34 × 1,045.41
  4. Step 4: Simplify right side
    2,800.47x = 4,390,032.03
  5. Step 5: Solve for x
    x = 4,390,032.03/2,800.47
  6. Step 6: Final answer
    x = 1,567.61

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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.