Home / 1,917.58-2,877.51-1,796.10

Finding the Fourth Proportional to 1,917.58, 2,877.51 and 1,796.10

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Solution

The fourth proportional to 1,917.58, 2,877.51 and 1,796.10 is: 2,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.58 : 2,877.51 = 1,796.10 : x
  2. Step 2: Convert to fraction form
    1,917.58/2,877.51 = 1,796.10/x
  3. Step 3: Cross multiply
    1,917.58x = 2,877.51 × 1,796.10
  4. Step 4: Simplify right side
    1,917.58x = 5,168,295.71
  5. Step 5: Solve for x
    x = 5,168,295.71/1,917.58
  6. Step 6: Final answer
    x = 2,695.22

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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.