Home / 2,937.36-4,406.58-1,780.68

Finding the Fourth Proportional to 2,937.36, 4,406.58 and 1,780.68

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Solution

The fourth proportional to 2,937.36, 4,406.58 and 1,780.68 is: 2,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.36 : 4,406.58 = 1,780.68 : x
  2. Step 2: Convert to fraction form
    2,937.36/4,406.58 = 1,780.68/x
  3. Step 3: Cross multiply
    2,937.36x = 4,406.58 × 1,780.68
  4. Step 4: Simplify right side
    2,937.36x = 7,846,708.87
  5. Step 5: Solve for x
    x = 7,846,708.87/2,937.36
  6. Step 6: Final answer
    x = 2,671.35

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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.