Home / 1,898.91-2,622.99-1,456.05

Finding the Fourth Proportional to 1,898.91, 2,622.99 and 1,456.05

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Solution

The fourth proportional to 1,898.91, 2,622.99 and 1,456.05 is: 2,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.91 : 2,622.99 = 1,456.05 : x
  2. Step 2: Convert to fraction form
    1,898.91/2,622.99 = 1,456.05/x
  3. Step 3: Cross multiply
    1,898.91x = 2,622.99 × 1,456.05
  4. Step 4: Simplify right side
    1,898.91x = 3,819,204.59
  5. Step 5: Solve for x
    x = 3,819,204.59/1,898.91
  6. Step 6: Final answer
    x = 2,011.26

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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.