Home / 1,898.82-2,840.70-1,437.92

Finding the Fourth Proportional to 1,898.82, 2,840.70 and 1,437.92

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Solution

The fourth proportional to 1,898.82, 2,840.70 and 1,437.92 is: 2,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.82 : 2,840.70 = 1,437.92 : x
  2. Step 2: Convert to fraction form
    1,898.82/2,840.70 = 1,437.92/x
  3. Step 3: Cross multiply
    1,898.82x = 2,840.70 × 1,437.92
  4. Step 4: Simplify right side
    1,898.82x = 4,084,699.34
  5. Step 5: Solve for x
    x = 4,084,699.34/1,898.82
  6. Step 6: Final answer
    x = 2,151.18

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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.