Home / 3,088.89-4,262.56-1,762.56

Finding the Fourth Proportional to 3,088.89, 4,262.56 and 1,762.56

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Solution

The fourth proportional to 3,088.89, 4,262.56 and 1,762.56 is: 2,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.89 : 4,262.56 = 1,762.56 : x
  2. Step 2: Convert to fraction form
    3,088.89/4,262.56 = 1,762.56/x
  3. Step 3: Cross multiply
    3,088.89x = 4,262.56 × 1,762.56
  4. Step 4: Simplify right side
    3,088.89x = 7,513,017.75
  5. Step 5: Solve for x
    x = 7,513,017.75/3,088.89
  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.