Home / 2,810.50-4,216.43-1,079.13

Finding the Fourth Proportional to 2,810.50, 4,216.43 and 1,079.13

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Solution

The fourth proportional to 2,810.50, 4,216.43 and 1,079.13 is: 1,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.50 : 4,216.43 = 1,079.13 : x
  2. Step 2: Convert to fraction form
    2,810.50/4,216.43 = 1,079.13/x
  3. Step 3: Cross multiply
    2,810.50x = 4,216.43 × 1,079.13
  4. Step 4: Simplify right side
    2,810.50x = 4,550,076.11
  5. Step 5: Solve for x
    x = 4,550,076.11/2,810.50
  6. Step 6: Final answer
    x = 1,618.96

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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.