Home / 2,985.18-4,472.82-1,828.50

Finding the Fourth Proportional to 2,985.18, 4,472.82 and 1,828.50

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Solution

The fourth proportional to 2,985.18, 4,472.82 and 1,828.50 is: 2,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.18 : 4,472.82 = 1,828.50 : x
  2. Step 2: Convert to fraction form
    2,985.18/4,472.82 = 1,828.50/x
  3. Step 3: Cross multiply
    2,985.18x = 4,472.82 × 1,828.50
  4. Step 4: Simplify right side
    2,985.18x = 8,178,551.37
  5. Step 5: Solve for x
    x = 8,178,551.37/2,985.18
  6. Step 6: Final answer
    x = 2,739.72

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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.