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Finding the Fourth Proportional to 2,460.06, 3,690.05 and 611.19

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Solution

The fourth proportional to 2,460.06, 3,690.05 and 611.19 is: 916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.06 : 3,690.05 = 611.19 : x
  2. Step 2: Convert to fraction form
    2,460.06/3,690.05 = 611.19/x
  3. Step 3: Cross multiply
    2,460.06x = 3,690.05 × 611.19
  4. Step 4: Simplify right side
    2,460.06x = 2,255,320.13
  5. Step 5: Solve for x
    x = 2,255,320.13/2,460.06
  6. Step 6: Final answer
    x = 916.77

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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.