Home / 2,868.50-4,303.85-1,113.62

Finding the Fourth Proportional to 2,868.50, 4,303.85 and 1,113.62

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Solution

The fourth proportional to 2,868.50, 4,303.85 and 1,113.62 is: 1,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.50 : 4,303.85 = 1,113.62 : x
  2. Step 2: Convert to fraction form
    2,868.50/4,303.85 = 1,113.62/x
  3. Step 3: Cross multiply
    2,868.50x = 4,303.85 × 1,113.62
  4. Step 4: Simplify right side
    2,868.50x = 4,792,826.35
  5. Step 5: Solve for x
    x = 4,792,826.35/2,868.50
  6. Step 6: Final answer
    x = 1,670.85

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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.