Home / 3,089.06-4,262.49-1,762.68

Finding the Fourth Proportional to 3,089.06, 4,262.49 and 1,762.68

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Solution

The fourth proportional to 3,089.06, 4,262.49 and 1,762.68 is: 2,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.06 : 4,262.49 = 1,762.68 : x
  2. Step 2: Convert to fraction form
    3,089.06/4,262.49 = 1,762.68/x
  3. Step 3: Cross multiply
    3,089.06x = 4,262.49 × 1,762.68
  4. Step 4: Simplify right side
    3,089.06x = 7,513,416.53
  5. Step 5: Solve for x
    x = 7,513,416.53/3,089.06
  6. Step 6: Final answer
    x = 2,432.27

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1.5x scale

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.