Home / 3,483.78-5,225.61-1,175.28

Finding the Fourth Proportional to 3,483.78, 5,225.61 and 1,175.28

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Solution

The fourth proportional to 3,483.78, 5,225.61 and 1,175.28 is: 1,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.78 : 5,225.61 = 1,175.28 : x
  2. Step 2: Convert to fraction form
    3,483.78/5,225.61 = 1,175.28/x
  3. Step 3: Cross multiply
    3,483.78x = 5,225.61 × 1,175.28
  4. Step 4: Simplify right side
    3,483.78x = 6,141,554.92
  5. Step 5: Solve for x
    x = 6,141,554.92/3,483.78
  6. Step 6: Final answer
    x = 1,762.90

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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.