Home / 1,926.09-2,658.33-1,140.18

Finding the Fourth Proportional to 1,926.09, 2,658.33 and 1,140.18

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Solution

The fourth proportional to 1,926.09, 2,658.33 and 1,140.18 is: 1,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.09 : 2,658.33 = 1,140.18 : x
  2. Step 2: Convert to fraction form
    1,926.09/2,658.33 = 1,140.18/x
  3. Step 3: Cross multiply
    1,926.09x = 2,658.33 × 1,140.18
  4. Step 4: Simplify right side
    1,926.09x = 3,030,974.70
  5. Step 5: Solve for x
    x = 3,030,974.70/1,926.09
  6. Step 6: Final answer
    x = 1,573.64

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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.