Home / 3,038.80-4,558.20-1,307.02

Finding the Fourth Proportional to 3,038.80, 4,558.20 and 1,307.02

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Solution

The fourth proportional to 3,038.80, 4,558.20 and 1,307.02 is: 1,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.80 : 4,558.20 = 1,307.02 : x
  2. Step 2: Convert to fraction form
    3,038.80/4,558.20 = 1,307.02/x
  3. Step 3: Cross multiply
    3,038.80x = 4,558.20 × 1,307.02
  4. Step 4: Simplify right side
    3,038.80x = 5,957,658.56
  5. Step 5: Solve for x
    x = 5,957,658.56/3,038.80
  6. Step 6: Final answer
    x = 1,960.53

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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.