Home / 2,106.64-3,160.02-1,625.56

Finding the Fourth Proportional to 2,106.64, 3,160.02 and 1,625.56

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Solution

The fourth proportional to 2,106.64, 3,160.02 and 1,625.56 is: 2,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.64 : 3,160.02 = 1,625.56 : x
  2. Step 2: Convert to fraction form
    2,106.64/3,160.02 = 1,625.56/x
  3. Step 3: Cross multiply
    2,106.64x = 3,160.02 × 1,625.56
  4. Step 4: Simplify right side
    2,106.64x = 5,136,802.11
  5. Step 5: Solve for x
    x = 5,136,802.11/2,106.64
  6. Step 6: Final answer
    x = 2,438.39

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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.