Home / 3,495.86-5,240.09-1,155.26

Finding the Fourth Proportional to 3,495.86, 5,240.09 and 1,155.26

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Solution

The fourth proportional to 3,495.86, 5,240.09 and 1,155.26 is: 1,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.86 : 5,240.09 = 1,155.26 : x
  2. Step 2: Convert to fraction form
    3,495.86/5,240.09 = 1,155.26/x
  3. Step 3: Cross multiply
    3,495.86x = 5,240.09 × 1,155.26
  4. Step 4: Simplify right side
    3,495.86x = 6,053,682.36
  5. Step 5: Solve for x
    x = 6,053,682.36/3,495.86
  6. Step 6: Final answer
    x = 1,731.67

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1.5x scale

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.