Home / 4,288.95-6,434.03-2,097.80

Finding the Fourth Proportional to 4,288.95, 6,434.03 and 2,097.80

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Solution

The fourth proportional to 4,288.95, 6,434.03 and 2,097.80 is: 3,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.95 : 6,434.03 = 2,097.80 : x
  2. Step 2: Convert to fraction form
    4,288.95/6,434.03 = 2,097.80/x
  3. Step 3: Cross multiply
    4,288.95x = 6,434.03 × 2,097.80
  4. Step 4: Simplify right side
    4,288.95x = 13,497,305.34
  5. Step 5: Solve for x
    x = 13,497,305.34/4,288.95
  6. Step 6: Final answer
    x = 3,147.00

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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.