Home / 3,155.53-4,737.86-1,925.35

Finding the Fourth Proportional to 3,155.53, 4,737.86 and 1,925.35

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Solution

The fourth proportional to 3,155.53, 4,737.86 and 1,925.35 is: 2,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.53 : 4,737.86 = 1,925.35 : x
  2. Step 2: Convert to fraction form
    3,155.53/4,737.86 = 1,925.35/x
  3. Step 3: Cross multiply
    3,155.53x = 4,737.86 × 1,925.35
  4. Step 4: Simplify right side
    3,155.53x = 9,122,038.75
  5. Step 5: Solve for x
    x = 9,122,038.75/3,155.53
  6. Step 6: Final answer
    x = 2,890.81

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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.