Home / 3,904.18-5,856.55-1,130.86

Finding the Fourth Proportional to 3,904.18, 5,856.55 and 1,130.86

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Solution

The fourth proportional to 3,904.18, 5,856.55 and 1,130.86 is: 1,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.18 : 5,856.55 = 1,130.86 : x
  2. Step 2: Convert to fraction form
    3,904.18/5,856.55 = 1,130.86/x
  3. Step 3: Cross multiply
    3,904.18x = 5,856.55 × 1,130.86
  4. Step 4: Simplify right side
    3,904.18x = 6,622,938.13
  5. Step 5: Solve for x
    x = 6,622,938.13/3,904.18
  6. Step 6: Final answer
    x = 1,696.37

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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.