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Finding the Fourth Proportional to 3,802.60, 5,703.90 and 3,651.40

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Solution

The fourth proportional to 3,802.60, 5,703.90 and 3,651.40 is: 5,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.60 : 5,703.90 = 3,651.40 : x
  2. Step 2: Convert to fraction form
    3,802.60/5,703.90 = 3,651.40/x
  3. Step 3: Cross multiply
    3,802.60x = 5,703.90 × 3,651.40
  4. Step 4: Simplify right side
    3,802.60x = 20,827,220.46
  5. Step 5: Solve for x
    x = 20,827,220.46/3,802.60
  6. Step 6: Final answer
    x = 5,477.10

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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.