Home / 3,246.04-4,870.68-1,784.80

Finding the Fourth Proportional to 3,246.04, 4,870.68 and 1,784.80

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Solution

The fourth proportional to 3,246.04, 4,870.68 and 1,784.80 is: 2,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.04 : 4,870.68 = 1,784.80 : x
  2. Step 2: Convert to fraction form
    3,246.04/4,870.68 = 1,784.80/x
  3. Step 3: Cross multiply
    3,246.04x = 4,870.68 × 1,784.80
  4. Step 4: Simplify right side
    3,246.04x = 8,693,189.66
  5. Step 5: Solve for x
    x = 8,693,189.66/3,246.04
  6. Step 6: Final answer
    x = 2,678.09

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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.