Home / 1,530.55-2,296.14-1,391.50

Finding the Fourth Proportional to 1,530.55, 2,296.14 and 1,391.50

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Solution

The fourth proportional to 1,530.55, 2,296.14 and 1,391.50 is: 2,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.55 : 2,296.14 = 1,391.50 : x
  2. Step 2: Convert to fraction form
    1,530.55/2,296.14 = 1,391.50/x
  3. Step 3: Cross multiply
    1,530.55x = 2,296.14 × 1,391.50
  4. Step 4: Simplify right side
    1,530.55x = 3,195,078.81
  5. Step 5: Solve for x
    x = 3,195,078.81/1,530.55
  6. Step 6: Final answer
    x = 2,087.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.