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Finding the Fourth Proportional to 3,362.49, 4,640.45 and 1,870.74

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Solution

The fourth proportional to 3,362.49, 4,640.45 and 1,870.74 is: 2,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.49 : 4,640.45 = 1,870.74 : x
  2. Step 2: Convert to fraction form
    3,362.49/4,640.45 = 1,870.74/x
  3. Step 3: Cross multiply
    3,362.49x = 4,640.45 × 1,870.74
  4. Step 4: Simplify right side
    3,362.49x = 8,681,066.08
  5. Step 5: Solve for x
    x = 8,681,066.08/3,362.49
  6. Step 6: Final answer
    x = 2,581.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.