Home / 1,926.24-2,658.47-1,087.13

Finding the Fourth Proportional to 1,926.24, 2,658.47 and 1,087.13

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Solution

The fourth proportional to 1,926.24, 2,658.47 and 1,087.13 is: 1,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.24 : 2,658.47 = 1,087.13 : x
  2. Step 2: Convert to fraction form
    1,926.24/2,658.47 = 1,087.13/x
  3. Step 3: Cross multiply
    1,926.24x = 2,658.47 × 1,087.13
  4. Step 4: Simplify right side
    1,926.24x = 2,890,102.49
  5. Step 5: Solve for x
    x = 2,890,102.49/1,926.24
  6. Step 6: Final answer
    x = 1,500.39

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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.