Home / 1,917.48-2,876.23-1,573.20

Finding the Fourth Proportional to 1,917.48, 2,876.23 and 1,573.20

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Solution

The fourth proportional to 1,917.48, 2,876.23 and 1,573.20 is: 2,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.48 : 2,876.23 = 1,573.20 : x
  2. Step 2: Convert to fraction form
    1,917.48/2,876.23 = 1,573.20/x
  3. Step 3: Cross multiply
    1,917.48x = 2,876.23 × 1,573.20
  4. Step 4: Simplify right side
    1,917.48x = 4,524,887.00
  5. Step 5: Solve for x
    x = 4,524,887.00/1,917.48
  6. Step 6: Final answer
    x = 2,359.80

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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.