Home / 2,068.20-2,852.98-1,310.60

Finding the Fourth Proportional to 2,068.20, 2,852.98 and 1,310.60

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Solution

The fourth proportional to 2,068.20, 2,852.98 and 1,310.60 is: 1,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.20 : 2,852.98 = 1,310.60 : x
  2. Step 2: Convert to fraction form
    2,068.20/2,852.98 = 1,310.60/x
  3. Step 3: Cross multiply
    2,068.20x = 2,852.98 × 1,310.60
  4. Step 4: Simplify right side
    2,068.20x = 3,739,115.59
  5. Step 5: Solve for x
    x = 3,739,115.59/2,068.20
  6. Step 6: Final answer
    x = 1,807.91

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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.