Home / 3,455.23-5,181.47-1,506.07

Finding the Fourth Proportional to 3,455.23, 5,181.47 and 1,506.07

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Solution

The fourth proportional to 3,455.23, 5,181.47 and 1,506.07 is: 2,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.23 : 5,181.47 = 1,506.07 : x
  2. Step 2: Convert to fraction form
    3,455.23/5,181.47 = 1,506.07/x
  3. Step 3: Cross multiply
    3,455.23x = 5,181.47 × 1,506.07
  4. Step 4: Simplify right side
    3,455.23x = 7,803,656.52
  5. Step 5: Solve for x
    x = 7,803,656.52/3,455.23
  6. Step 6: Final answer
    x = 2,258.51

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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.