Home / 2,368.78-3,269.93-1,485.09

Finding the Fourth Proportional to 2,368.78, 3,269.93 and 1,485.09

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Solution

The fourth proportional to 2,368.78, 3,269.93 and 1,485.09 is: 2,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.78 : 3,269.93 = 1,485.09 : x
  2. Step 2: Convert to fraction form
    2,368.78/3,269.93 = 1,485.09/x
  3. Step 3: Cross multiply
    2,368.78x = 3,269.93 × 1,485.09
  4. Step 4: Simplify right side
    2,368.78x = 4,856,140.34
  5. Step 5: Solve for x
    x = 4,856,140.34/2,368.78
  6. Step 6: Final answer
    x = 2,050.06

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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.