Home / 3,088.86-4,262.98-1,762.75

Finding the Fourth Proportional to 3,088.86, 4,262.98 and 1,762.75

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Solution

The fourth proportional to 3,088.86, 4,262.98 and 1,762.75 is: 2,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.86 : 4,262.98 = 1,762.75 : x
  2. Step 2: Convert to fraction form
    3,088.86/4,262.98 = 1,762.75/x
  3. Step 3: Cross multiply
    3,088.86x = 4,262.98 × 1,762.75
  4. Step 4: Simplify right side
    3,088.86x = 7,514,568.00
  5. Step 5: Solve for x
    x = 7,514,568.00/3,088.86
  6. Step 6: Final answer
    x = 2,432.80

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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.