Home / 3,904.16-5,856.72-1,307.36

Finding the Fourth Proportional to 3,904.16, 5,856.72 and 1,307.36

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Solution

The fourth proportional to 3,904.16, 5,856.72 and 1,307.36 is: 1,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.16 : 5,856.72 = 1,307.36 : x
  2. Step 2: Convert to fraction form
    3,904.16/5,856.72 = 1,307.36/x
  3. Step 3: Cross multiply
    3,904.16x = 5,856.72 × 1,307.36
  4. Step 4: Simplify right side
    3,904.16x = 7,656,841.46
  5. Step 5: Solve for x
    x = 7,656,841.46/3,904.16
  6. Step 6: Final answer
    x = 1,961.20

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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.