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Finding the Fourth Proportional to 3,124.69, 4,683.10 and 1,368.60

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Solution

The fourth proportional to 3,124.69, 4,683.10 and 1,368.60 is: 2,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.69 : 4,683.10 = 1,368.60 : x
  2. Step 2: Convert to fraction form
    3,124.69/4,683.10 = 1,368.60/x
  3. Step 3: Cross multiply
    3,124.69x = 4,683.10 × 1,368.60
  4. Step 4: Simplify right side
    3,124.69x = 6,409,278.02
  5. Step 5: Solve for x
    x = 6,409,278.02/3,124.69
  6. Step 6: Final answer
    x = 2,051.17

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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.