Home / 3,503.26-4,834.50-1,931.40

Finding the Fourth Proportional to 3,503.26, 4,834.50 and 1,931.40

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Solution

The fourth proportional to 3,503.26, 4,834.50 and 1,931.40 is: 2,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.26 : 4,834.50 = 1,931.40 : x
  2. Step 2: Convert to fraction form
    3,503.26/4,834.50 = 1,931.40/x
  3. Step 3: Cross multiply
    3,503.26x = 4,834.50 × 1,931.40
  4. Step 4: Simplify right side
    3,503.26x = 9,337,353.30
  5. Step 5: Solve for x
    x = 9,337,353.30/3,503.26
  6. Step 6: Final answer
    x = 2,665.33

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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.