Home / 2,808.84-4,216.02-1,513.08

Finding the Fourth Proportional to 2,808.84, 4,216.02 and 1,513.08

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Solution

The fourth proportional to 2,808.84, 4,216.02 and 1,513.08 is: 2,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.84 : 4,216.02 = 1,513.08 : x
  2. Step 2: Convert to fraction form
    2,808.84/4,216.02 = 1,513.08/x
  3. Step 3: Cross multiply
    2,808.84x = 4,216.02 × 1,513.08
  4. Step 4: Simplify right side
    2,808.84x = 6,379,175.54
  5. Step 5: Solve for x
    x = 6,379,175.54/2,808.84
  6. Step 6: Final answer
    x = 2,271.11

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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.