Home / 1,682.55-2,513.85-1,625.13

Finding the Fourth Proportional to 1,682.55, 2,513.85 and 1,625.13

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Solution

The fourth proportional to 1,682.55, 2,513.85 and 1,625.13 is: 2,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.55 : 2,513.85 = 1,625.13 : x
  2. Step 2: Convert to fraction form
    1,682.55/2,513.85 = 1,625.13/x
  3. Step 3: Cross multiply
    1,682.55x = 2,513.85 × 1,625.13
  4. Step 4: Simplify right side
    1,682.55x = 4,085,333.05
  5. Step 5: Solve for x
    x = 4,085,333.05/1,682.55
  6. Step 6: Final answer
    x = 2,428.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.