Home / 1,637.93-2,440.33-1,555.31

Finding the Fourth Proportional to 1,637.93, 2,440.33 and 1,555.31

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Solution

The fourth proportional to 1,637.93, 2,440.33 and 1,555.31 is: 2,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.93 : 2,440.33 = 1,555.31 : x
  2. Step 2: Convert to fraction form
    1,637.93/2,440.33 = 1,555.31/x
  3. Step 3: Cross multiply
    1,637.93x = 2,440.33 × 1,555.31
  4. Step 4: Simplify right side
    1,637.93x = 3,795,469.65
  5. Step 5: Solve for x
    x = 3,795,469.65/1,637.93
  6. Step 6: Final answer
    x = 2,317.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.