Home / 2,990.18-4,483.48-1,141.44

Finding the Fourth Proportional to 2,990.18, 4,483.48 and 1,141.44

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Solution

The fourth proportional to 2,990.18, 4,483.48 and 1,141.44 is: 1,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.18 : 4,483.48 = 1,141.44 : x
  2. Step 2: Convert to fraction form
    2,990.18/4,483.48 = 1,141.44/x
  3. Step 3: Cross multiply
    2,990.18x = 4,483.48 × 1,141.44
  4. Step 4: Simplify right side
    2,990.18x = 5,117,623.41
  5. Step 5: Solve for x
    x = 5,117,623.41/2,990.18
  6. Step 6: Final answer
    x = 1,711.48

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1.5x scale

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.