Home / 3,315.83-4,576.29-2,140.32

Finding the Fourth Proportional to 3,315.83, 4,576.29 and 2,140.32

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Solution

The fourth proportional to 3,315.83, 4,576.29 and 2,140.32 is: 2,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.83 : 4,576.29 = 2,140.32 : x
  2. Step 2: Convert to fraction form
    3,315.83/4,576.29 = 2,140.32/x
  3. Step 3: Cross multiply
    3,315.83x = 4,576.29 × 2,140.32
  4. Step 4: Simplify right side
    3,315.83x = 9,794,725.01
  5. Step 5: Solve for x
    x = 9,794,725.01/3,315.83
  6. Step 6: Final answer
    x = 2,953.93

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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.