Home / 2,803.02-4,205.66-1,416.75

Finding the Fourth Proportional to 2,803.02, 4,205.66 and 1,416.75

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Solution

The fourth proportional to 2,803.02, 4,205.66 and 1,416.75 is: 2,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.02 : 4,205.66 = 1,416.75 : x
  2. Step 2: Convert to fraction form
    2,803.02/4,205.66 = 1,416.75/x
  3. Step 3: Cross multiply
    2,803.02x = 4,205.66 × 1,416.75
  4. Step 4: Simplify right side
    2,803.02x = 5,958,368.81
  5. Step 5: Solve for x
    x = 5,958,368.81/2,803.02
  6. Step 6: Final answer
    x = 2,125.70

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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.