Home / 1,656.12-2,465.43-1,633.08

Finding the Fourth Proportional to 1,656.12, 2,465.43 and 1,633.08

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Solution

The fourth proportional to 1,656.12, 2,465.43 and 1,633.08 is: 2,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.12 : 2,465.43 = 1,633.08 : x
  2. Step 2: Convert to fraction form
    1,656.12/2,465.43 = 1,633.08/x
  3. Step 3: Cross multiply
    1,656.12x = 2,465.43 × 1,633.08
  4. Step 4: Simplify right side
    1,656.12x = 4,026,244.42
  5. Step 5: Solve for x
    x = 4,026,244.42/1,656.12
  6. Step 6: Final answer
    x = 2,431.13

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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.