Home / 1,505.07-2,255.85-1,011.60

Finding the Fourth Proportional to 1,505.07, 2,255.85 and 1,011.60

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Solution

The fourth proportional to 1,505.07, 2,255.85 and 1,011.60 is: 1,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.07 : 2,255.85 = 1,011.60 : x
  2. Step 2: Convert to fraction form
    1,505.07/2,255.85 = 1,011.60/x
  3. Step 3: Cross multiply
    1,505.07x = 2,255.85 × 1,011.60
  4. Step 4: Simplify right side
    1,505.07x = 2,282,017.86
  5. Step 5: Solve for x
    x = 2,282,017.86/1,505.07
  6. Step 6: Final answer
    x = 1,516.22

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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.