Home / 2,913.58-4,371.12-1,874.08

Finding the Fourth Proportional to 2,913.58, 4,371.12 and 1,874.08

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Solution

The fourth proportional to 2,913.58, 4,371.12 and 1,874.08 is: 2,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.58 : 4,371.12 = 1,874.08 : x
  2. Step 2: Convert to fraction form
    2,913.58/4,371.12 = 1,874.08/x
  3. Step 3: Cross multiply
    2,913.58x = 4,371.12 × 1,874.08
  4. Step 4: Simplify right side
    2,913.58x = 8,191,828.57
  5. Step 5: Solve for x
    x = 8,191,828.57/2,913.58
  6. Step 6: Final answer
    x = 2,811.60

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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.