Home / 2,909.40-4,360.65-1,674.27

Finding the Fourth Proportional to 2,909.40, 4,360.65 and 1,674.27

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Solution

The fourth proportional to 2,909.40, 4,360.65 and 1,674.27 is: 2,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.40 : 4,360.65 = 1,674.27 : x
  2. Step 2: Convert to fraction form
    2,909.40/4,360.65 = 1,674.27/x
  3. Step 3: Cross multiply
    2,909.40x = 4,360.65 × 1,674.27
  4. Step 4: Simplify right side
    2,909.40x = 7,300,905.48
  5. Step 5: Solve for x
    x = 7,300,905.48/2,909.40
  6. Step 6: Final answer
    x = 2,509.42

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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.