Home / 2,909.63-4,015.35-1,583.35

Finding the Fourth Proportional to 2,909.63, 4,015.35 and 1,583.35

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Solution

The fourth proportional to 2,909.63, 4,015.35 and 1,583.35 is: 2,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.63 : 4,015.35 = 1,583.35 : x
  2. Step 2: Convert to fraction form
    2,909.63/4,015.35 = 1,583.35/x
  3. Step 3: Cross multiply
    2,909.63x = 4,015.35 × 1,583.35
  4. Step 4: Simplify right side
    2,909.63x = 6,357,694.38
  5. Step 5: Solve for x
    x = 6,357,694.38/2,909.63
  6. Step 6: Final answer
    x = 2,185.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.