Home / 3,355.07-4,625.01-2,880.68

Finding the Fourth Proportional to 3,355.07, 4,625.01 and 2,880.68

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Solution

The fourth proportional to 3,355.07, 4,625.01 and 2,880.68 is: 3,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.07 : 4,625.01 = 2,880.68 : x
  2. Step 2: Convert to fraction form
    3,355.07/4,625.01 = 2,880.68/x
  3. Step 3: Cross multiply
    3,355.07x = 4,625.01 × 2,880.68
  4. Step 4: Simplify right side
    3,355.07x = 13,323,150.68
  5. Step 5: Solve for x
    x = 13,323,150.68/3,355.07
  6. Step 6: Final answer
    x = 3,971.06

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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.