Home / 1,601.90-2,398.29-1,237.40

Finding the Fourth Proportional to 1,601.90, 2,398.29 and 1,237.40

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Solution

The fourth proportional to 1,601.90, 2,398.29 and 1,237.40 is: 1,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.90 : 2,398.29 = 1,237.40 : x
  2. Step 2: Convert to fraction form
    1,601.90/2,398.29 = 1,237.40/x
  3. Step 3: Cross multiply
    1,601.90x = 2,398.29 × 1,237.40
  4. Step 4: Simplify right side
    1,601.90x = 2,967,644.05
  5. Step 5: Solve for x
    x = 2,967,644.05/1,601.90
  6. Step 6: Final answer
    x = 1,852.58

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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.