Home / 2,909.14-4,014.55-1,582.88

Finding the Fourth Proportional to 2,909.14, 4,014.55 and 1,582.88

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Solution

The fourth proportional to 2,909.14, 4,014.55 and 1,582.88 is: 2,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.14 : 4,014.55 = 1,582.88 : x
  2. Step 2: Convert to fraction form
    2,909.14/4,014.55 = 1,582.88/x
  3. Step 3: Cross multiply
    2,909.14x = 4,014.55 × 1,582.88
  4. Step 4: Simplify right side
    2,909.14x = 6,354,532.81
  5. Step 5: Solve for x
    x = 6,354,532.81/2,909.14
  6. Step 6: Final answer
    x = 2,184.34

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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.