Home / 1,682.03-2,521.43-1,064.21

Finding the Fourth Proportional to 1,682.03, 2,521.43 and 1,064.21

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Solution

The fourth proportional to 1,682.03, 2,521.43 and 1,064.21 is: 1,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.03 : 2,521.43 = 1,064.21 : x
  2. Step 2: Convert to fraction form
    1,682.03/2,521.43 = 1,064.21/x
  3. Step 3: Cross multiply
    1,682.03x = 2,521.43 × 1,064.21
  4. Step 4: Simplify right side
    1,682.03x = 2,683,317.08
  5. Step 5: Solve for x
    x = 2,683,317.08/1,682.03
  6. Step 6: Final answer
    x = 1,595.28

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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.