Home / 2,937.64-4,406.60-1,638.12

Finding the Fourth Proportional to 2,937.64, 4,406.60 and 1,638.12

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Solution

The fourth proportional to 2,937.64, 4,406.60 and 1,638.12 is: 2,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.64 : 4,406.60 = 1,638.12 : x
  2. Step 2: Convert to fraction form
    2,937.64/4,406.60 = 1,638.12/x
  3. Step 3: Cross multiply
    2,937.64x = 4,406.60 × 1,638.12
  4. Step 4: Simplify right side
    2,937.64x = 7,218,539.59
  5. Step 5: Solve for x
    x = 7,218,539.59/2,937.64
  6. Step 6: Final answer
    x = 2,457.26

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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.