Home / 2,448.78-3,374.90-1,784.58

Finding the Fourth Proportional to 2,448.78, 3,374.90 and 1,784.58

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Solution

The fourth proportional to 2,448.78, 3,374.90 and 1,784.58 is: 2,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.78 : 3,374.90 = 1,784.58 : x
  2. Step 2: Convert to fraction form
    2,448.78/3,374.90 = 1,784.58/x
  3. Step 3: Cross multiply
    2,448.78x = 3,374.90 × 1,784.58
  4. Step 4: Simplify right side
    2,448.78x = 6,022,779.04
  5. Step 5: Solve for x
    x = 6,022,779.04/2,448.78
  6. Step 6: Final answer
    x = 2,459.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.