Home / 2,790.60-4,182.65-2,053.35

Finding the Fourth Proportional to 2,790.60, 4,182.65 and 2,053.35

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Solution

The fourth proportional to 2,790.60, 4,182.65 and 2,053.35 is: 3,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.60 : 4,182.65 = 2,053.35 : x
  2. Step 2: Convert to fraction form
    2,790.60/4,182.65 = 2,053.35/x
  3. Step 3: Cross multiply
    2,790.60x = 4,182.65 × 2,053.35
  4. Step 4: Simplify right side
    2,790.60x = 8,588,434.11
  5. Step 5: Solve for x
    x = 8,588,434.11/2,790.60
  6. Step 6: Final answer
    x = 3,077.63

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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.