Home / 2,898.18-4,347.30-1,917.29

Finding the Fourth Proportional to 2,898.18, 4,347.30 and 1,917.29

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Solution

The fourth proportional to 2,898.18, 4,347.30 and 1,917.29 is: 2,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.18 : 4,347.30 = 1,917.29 : x
  2. Step 2: Convert to fraction form
    2,898.18/4,347.30 = 1,917.29/x
  3. Step 3: Cross multiply
    2,898.18x = 4,347.30 × 1,917.29
  4. Step 4: Simplify right side
    2,898.18x = 8,335,034.82
  5. Step 5: Solve for x
    x = 8,335,034.82/2,898.18
  6. Step 6: Final answer
    x = 2,875.95

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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.