Home / 2,783.10-4,166.45-2,055.92

Finding the Fourth Proportional to 2,783.10, 4,166.45 and 2,055.92

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Solution

The fourth proportional to 2,783.10, 4,166.45 and 2,055.92 is: 3,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.10 : 4,166.45 = 2,055.92 : x
  2. Step 2: Convert to fraction form
    2,783.10/4,166.45 = 2,055.92/x
  3. Step 3: Cross multiply
    2,783.10x = 4,166.45 × 2,055.92
  4. Step 4: Simplify right side
    2,783.10x = 8,565,888.02
  5. Step 5: Solve for x
    x = 8,565,888.02/2,783.10
  6. Step 6: Final answer
    x = 3,077.82

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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.