Home / 3,017.90-4,499.56-2,940.95

Finding the Fourth Proportional to 3,017.90, 4,499.56 and 2,940.95

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Solution

The fourth proportional to 3,017.90, 4,499.56 and 2,940.95 is: 4,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.90 : 4,499.56 = 2,940.95 : x
  2. Step 2: Convert to fraction form
    3,017.90/4,499.56 = 2,940.95/x
  3. Step 3: Cross multiply
    3,017.90x = 4,499.56 × 2,940.95
  4. Step 4: Simplify right side
    3,017.90x = 13,232,980.98
  5. Step 5: Solve for x
    x = 13,232,980.98/3,017.90
  6. Step 6: Final answer
    x = 4,384.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.