Home / 1,377.96-2,068.99-1,353.36

Finding the Fourth Proportional to 1,377.96, 2,068.99 and 1,353.36

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Solution

The fourth proportional to 1,377.96, 2,068.99 and 1,353.36 is: 2,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.96 : 2,068.99 = 1,353.36 : x
  2. Step 2: Convert to fraction form
    1,377.96/2,068.99 = 1,353.36/x
  3. Step 3: Cross multiply
    1,377.96x = 2,068.99 × 1,353.36
  4. Step 4: Simplify right side
    1,377.96x = 2,800,088.66
  5. Step 5: Solve for x
    x = 2,800,088.66/1,377.96
  6. Step 6: Final answer
    x = 2,032.05

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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.