Home / 3,671.29-5,510.58-2,858.45

Finding the Fourth Proportional to 3,671.29, 5,510.58 and 2,858.45

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Solution

The fourth proportional to 3,671.29, 5,510.58 and 2,858.45 is: 4,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.29 : 5,510.58 = 2,858.45 : x
  2. Step 2: Convert to fraction form
    3,671.29/5,510.58 = 2,858.45/x
  3. Step 3: Cross multiply
    3,671.29x = 5,510.58 × 2,858.45
  4. Step 4: Simplify right side
    3,671.29x = 15,751,703.11
  5. Step 5: Solve for x
    x = 15,751,703.11/3,671.29
  6. Step 6: Final answer
    x = 4,290.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.