Home / 2,913.41-4,366.65-1,678.27

Finding the Fourth Proportional to 2,913.41, 4,366.65 and 1,678.27

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Solution

The fourth proportional to 2,913.41, 4,366.65 and 1,678.27 is: 2,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.41 : 4,366.65 = 1,678.27 : x
  2. Step 2: Convert to fraction form
    2,913.41/4,366.65 = 1,678.27/x
  3. Step 3: Cross multiply
    2,913.41x = 4,366.65 × 1,678.27
  4. Step 4: Simplify right side
    2,913.41x = 7,328,406.78
  5. Step 5: Solve for x
    x = 7,328,406.78/2,913.41
  6. Step 6: Final answer
    x = 2,515.40

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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.