Home / 3,525.78-5,291.10-1,580.16

Finding the Fourth Proportional to 3,525.78, 5,291.10 and 1,580.16

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Solution

The fourth proportional to 3,525.78, 5,291.10 and 1,580.16 is: 2,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.78 : 5,291.10 = 1,580.16 : x
  2. Step 2: Convert to fraction form
    3,525.78/5,291.10 = 1,580.16/x
  3. Step 3: Cross multiply
    3,525.78x = 5,291.10 × 1,580.16
  4. Step 4: Simplify right side
    3,525.78x = 8,360,784.58
  5. Step 5: Solve for x
    x = 8,360,784.58/3,525.78
  6. Step 6: Final answer
    x = 2,371.33

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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.