Home / 1,637.24-2,455.79-1,417.15

Finding the Fourth Proportional to 1,637.24, 2,455.79 and 1,417.15

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Solution

The fourth proportional to 1,637.24, 2,455.79 and 1,417.15 is: 2,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.24 : 2,455.79 = 1,417.15 : x
  2. Step 2: Convert to fraction form
    1,637.24/2,455.79 = 1,417.15/x
  3. Step 3: Cross multiply
    1,637.24x = 2,455.79 × 1,417.15
  4. Step 4: Simplify right side
    1,637.24x = 3,480,216.93
  5. Step 5: Solve for x
    x = 3,480,216.93/1,637.24
  6. Step 6: Final answer
    x = 2,125.66

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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.