Home / 2,909.45-4,015.08-1,583.19

Finding the Fourth Proportional to 2,909.45, 4,015.08 and 1,583.19

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Solution

The fourth proportional to 2,909.45, 4,015.08 and 1,583.19 is: 2,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.45 : 4,015.08 = 1,583.19 : x
  2. Step 2: Convert to fraction form
    2,909.45/4,015.08 = 1,583.19/x
  3. Step 3: Cross multiply
    2,909.45x = 4,015.08 × 1,583.19
  4. Step 4: Simplify right side
    2,909.45x = 6,356,634.51
  5. Step 5: Solve for x
    x = 6,356,634.51/2,909.45
  6. Step 6: Final answer
    x = 2,184.82

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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.