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Finding the Fourth Proportional to 3,503.80, 4,792.43 and 3,417.40

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Solution

The fourth proportional to 3,503.80, 4,792.43 and 3,417.40 is: 4,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.80 : 4,792.43 = 3,417.40 : x
  2. Step 2: Convert to fraction form
    3,503.80/4,792.43 = 3,417.40/x
  3. Step 3: Cross multiply
    3,503.80x = 4,792.43 × 3,417.40
  4. Step 4: Simplify right side
    3,503.80x = 16,377,650.28
  5. Step 5: Solve for x
    x = 16,377,650.28/3,503.80
  6. Step 6: Final answer
    x = 4,674.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.