Home / 2,455.31-3,686.09-1,483.31

Finding the Fourth Proportional to 2,455.31, 3,686.09 and 1,483.31

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Solution

The fourth proportional to 2,455.31, 3,686.09 and 1,483.31 is: 2,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.31 : 3,686.09 = 1,483.31 : x
  2. Step 2: Convert to fraction form
    2,455.31/3,686.09 = 1,483.31/x
  3. Step 3: Cross multiply
    2,455.31x = 3,686.09 × 1,483.31
  4. Step 4: Simplify right side
    2,455.31x = 5,467,606.74
  5. Step 5: Solve for x
    x = 5,467,606.74/2,455.31
  6. Step 6: Final answer
    x = 2,226.85

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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.