Home / 2,810.53-4,216.01-1,079.16

Finding the Fourth Proportional to 2,810.53, 4,216.01 and 1,079.16

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Solution

The fourth proportional to 2,810.53, 4,216.01 and 1,079.16 is: 1,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.53 : 4,216.01 = 1,079.16 : x
  2. Step 2: Convert to fraction form
    2,810.53/4,216.01 = 1,079.16/x
  3. Step 3: Cross multiply
    2,810.53x = 4,216.01 × 1,079.16
  4. Step 4: Simplify right side
    2,810.53x = 4,549,728.15
  5. Step 5: Solve for x
    x = 4,549,728.15/2,810.53
  6. Step 6: Final answer
    x = 1,618.81

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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.