Home / 2,913.60-4,366.94-1,678.46

Finding the Fourth Proportional to 2,913.60, 4,366.94 and 1,678.46

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Solution

The fourth proportional to 2,913.60, 4,366.94 and 1,678.46 is: 2,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.60 : 4,366.94 = 1,678.46 : x
  2. Step 2: Convert to fraction form
    2,913.60/4,366.94 = 1,678.46/x
  3. Step 3: Cross multiply
    2,913.60x = 4,366.94 × 1,678.46
  4. Step 4: Simplify right side
    2,913.60x = 7,329,703.89
  5. Step 5: Solve for x
    x = 7,329,703.89/2,913.60
  6. Step 6: Final answer
    x = 2,515.68

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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.