Home / 2,909.00-4,345.79-1,860.62

Finding the Fourth Proportional to 2,909.00, 4,345.79 and 1,860.62

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Solution

The fourth proportional to 2,909.00, 4,345.79 and 1,860.62 is: 2,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.00 : 4,345.79 = 1,860.62 : x
  2. Step 2: Convert to fraction form
    2,909.00/4,345.79 = 1,860.62/x
  3. Step 3: Cross multiply
    2,909.00x = 4,345.79 × 1,860.62
  4. Step 4: Simplify right side
    2,909.00x = 8,085,839.74
  5. Step 5: Solve for x
    x = 8,085,839.74/2,909.00
  6. Step 6: Final answer
    x = 2,779.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.