Home / 2,890.64-4,333.50-1,224.70

Finding the Fourth Proportional to 2,890.64, 4,333.50 and 1,224.70

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Solution

The fourth proportional to 2,890.64, 4,333.50 and 1,224.70 is: 1,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.64 : 4,333.50 = 1,224.70 : x
  2. Step 2: Convert to fraction form
    2,890.64/4,333.50 = 1,224.70/x
  3. Step 3: Cross multiply
    2,890.64x = 4,333.50 × 1,224.70
  4. Step 4: Simplify right side
    2,890.64x = 5,307,226.62
  5. Step 5: Solve for x
    x = 5,307,226.62/2,890.64
  6. Step 6: Final answer
    x = 1,836.00

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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.