Home / 2,931.05-4,044.85-1,604.84

Finding the Fourth Proportional to 2,931.05, 4,044.85 and 1,604.84

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Solution

The fourth proportional to 2,931.05, 4,044.85 and 1,604.84 is: 2,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.05 : 4,044.85 = 1,604.84 : x
  2. Step 2: Convert to fraction form
    2,931.05/4,044.85 = 1,604.84/x
  3. Step 3: Cross multiply
    2,931.05x = 4,044.85 × 1,604.84
  4. Step 4: Simplify right side
    2,931.05x = 6,491,308.83
  5. Step 5: Solve for x
    x = 6,491,308.83/2,931.05
  6. Step 6: Final answer
    x = 2,214.67

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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.