Home / 2,089.68-2,886.64-1,942.08

Finding the Fourth Proportional to 2,089.68, 2,886.64 and 1,942.08

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Solution

The fourth proportional to 2,089.68, 2,886.64 and 1,942.08 is: 2,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.68 : 2,886.64 = 1,942.08 : x
  2. Step 2: Convert to fraction form
    2,089.68/2,886.64 = 1,942.08/x
  3. Step 3: Cross multiply
    2,089.68x = 2,886.64 × 1,942.08
  4. Step 4: Simplify right side
    2,089.68x = 5,606,085.81
  5. Step 5: Solve for x
    x = 5,606,085.81/2,089.68
  6. Step 6: Final answer
    x = 2,682.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.