Home / 2,890.54-4,328.82-1,654.20

Finding the Fourth Proportional to 2,890.54, 4,328.82 and 1,654.20

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Solution

The fourth proportional to 2,890.54, 4,328.82 and 1,654.20 is: 2,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.54 : 4,328.82 = 1,654.20 : x
  2. Step 2: Convert to fraction form
    2,890.54/4,328.82 = 1,654.20/x
  3. Step 3: Cross multiply
    2,890.54x = 4,328.82 × 1,654.20
  4. Step 4: Simplify right side
    2,890.54x = 7,160,727.84
  5. Step 5: Solve for x
    x = 7,160,727.84/2,890.54
  6. Step 6: Final answer
    x = 2,477.30

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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.