Home / 3,088.70-4,262.78-1,762.63

Finding the Fourth Proportional to 3,088.70, 4,262.78 and 1,762.63

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Solution

The fourth proportional to 3,088.70, 4,262.78 and 1,762.63 is: 2,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.70 : 4,262.78 = 1,762.63 : x
  2. Step 2: Convert to fraction form
    3,088.70/4,262.78 = 1,762.63/x
  3. Step 3: Cross multiply
    3,088.70x = 4,262.78 × 1,762.63
  4. Step 4: Simplify right side
    3,088.70x = 7,513,687.75
  5. Step 5: Solve for x
    x = 7,513,687.75/3,088.70
  6. Step 6: Final answer
    x = 2,432.64

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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.