Home / 1,683.64-2,521.56-1,625.28

Finding the Fourth Proportional to 1,683.64, 2,521.56 and 1,625.28

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Solution

The fourth proportional to 1,683.64, 2,521.56 and 1,625.28 is: 2,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.64 : 2,521.56 = 1,625.28 : x
  2. Step 2: Convert to fraction form
    1,683.64/2,521.56 = 1,625.28/x
  3. Step 3: Cross multiply
    1,683.64x = 2,521.56 × 1,625.28
  4. Step 4: Simplify right side
    1,683.64x = 4,098,241.04
  5. Step 5: Solve for x
    x = 4,098,241.04/1,683.64
  6. Step 6: Final answer
    x = 2,434.16

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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.