Home / 1,683.90-2,521.92-1,625.52

Finding the Fourth Proportional to 1,683.90, 2,521.92 and 1,625.52

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Solution

The fourth proportional to 1,683.90, 2,521.92 and 1,625.52 is: 2,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.90 : 2,521.92 = 1,625.52 : x
  2. Step 2: Convert to fraction form
    1,683.90/2,521.92 = 1,625.52/x
  3. Step 3: Cross multiply
    1,683.90x = 2,521.92 × 1,625.52
  4. Step 4: Simplify right side
    1,683.90x = 4,099,431.40
  5. Step 5: Solve for x
    x = 4,099,431.40/1,683.90
  6. Step 6: Final answer
    x = 2,434.49

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1.5x scale

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.