Home / 3,611.04-4,975.31-2,430.06

Finding the Fourth Proportional to 3,611.04, 4,975.31 and 2,430.06

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Solution

The fourth proportional to 3,611.04, 4,975.31 and 2,430.06 is: 3,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.04 : 4,975.31 = 2,430.06 : x
  2. Step 2: Convert to fraction form
    3,611.04/4,975.31 = 2,430.06/x
  3. Step 3: Cross multiply
    3,611.04x = 4,975.31 × 2,430.06
  4. Step 4: Simplify right side
    3,611.04x = 12,090,307.89
  5. Step 5: Solve for x
    x = 12,090,307.89/3,611.04
  6. Step 6: Final answer
    x = 3,348.15

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Why These Related Problems?

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