Home / 1,925.66-2,668.58-1,888.75

Finding the Fourth Proportional to 1,925.66, 2,668.58 and 1,888.75

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Solution

The fourth proportional to 1,925.66, 2,668.58 and 1,888.75 is: 2,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.66 : 2,668.58 = 1,888.75 : x
  2. Step 2: Convert to fraction form
    1,925.66/2,668.58 = 1,888.75/x
  3. Step 3: Cross multiply
    1,925.66x = 2,668.58 × 1,888.75
  4. Step 4: Simplify right side
    1,925.66x = 5,040,264.36
  5. Step 5: Solve for x
    x = 5,040,264.36/1,925.66
  6. Step 6: Final answer
    x = 2,617.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.