Home / 3,315.53-4,973.70-1,124.89

Finding the Fourth Proportional to 3,315.53, 4,973.70 and 1,124.89

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Solution

The fourth proportional to 3,315.53, 4,973.70 and 1,124.89 is: 1,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.53 : 4,973.70 = 1,124.89 : x
  2. Step 2: Convert to fraction form
    3,315.53/4,973.70 = 1,124.89/x
  3. Step 3: Cross multiply
    3,315.53x = 4,973.70 × 1,124.89
  4. Step 4: Simplify right side
    3,315.53x = 5,594,840.52
  5. Step 5: Solve for x
    x = 5,594,840.52/3,315.53
  6. Step 6: Final answer
    x = 1,687.46

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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.