Home / 3,300.01-4,550.05-2,851.07

Finding the Fourth Proportional to 3,300.01, 4,550.05 and 2,851.07

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Solution

The fourth proportional to 3,300.01, 4,550.05 and 2,851.07 is: 3,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.01 : 4,550.05 = 2,851.07 : x
  2. Step 2: Convert to fraction form
    3,300.01/4,550.05 = 2,851.07/x
  3. Step 3: Cross multiply
    3,300.01x = 4,550.05 × 2,851.07
  4. Step 4: Simplify right side
    3,300.01x = 12,972,491.87
  5. Step 5: Solve for x
    x = 12,972,491.87/3,300.01
  6. Step 6: Final answer
    x = 3,931.05

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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.