Home / 3,503.04-5,255.12-2,117.40

Finding the Fourth Proportional to 3,503.04, 5,255.12 and 2,117.40

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Solution

The fourth proportional to 3,503.04, 5,255.12 and 2,117.40 is: 3,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.04 : 5,255.12 = 2,117.40 : x
  2. Step 2: Convert to fraction form
    3,503.04/5,255.12 = 2,117.40/x
  3. Step 3: Cross multiply
    3,503.04x = 5,255.12 × 2,117.40
  4. Step 4: Simplify right side
    3,503.04x = 11,127,191.09
  5. Step 5: Solve for x
    x = 11,127,191.09/3,503.04
  6. Step 6: Final answer
    x = 3,176.44

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1.5x scale

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.