Home / 2,913.76-4,017.49-2,380.67

Finding the Fourth Proportional to 2,913.76, 4,017.49 and 2,380.67

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Solution

The fourth proportional to 2,913.76, 4,017.49 and 2,380.67 is: 3,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.76 : 4,017.49 = 2,380.67 : x
  2. Step 2: Convert to fraction form
    2,913.76/4,017.49 = 2,380.67/x
  3. Step 3: Cross multiply
    2,913.76x = 4,017.49 × 2,380.67
  4. Step 4: Simplify right side
    2,913.76x = 9,564,317.92
  5. Step 5: Solve for x
    x = 9,564,317.92/2,913.76
  6. Step 6: Final answer
    x = 3,282.47

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1.5x scale

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.