Home / 2,903.13-4,006.19-1,576.80

Finding the Fourth Proportional to 2,903.13, 4,006.19 and 1,576.80

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Solution

The fourth proportional to 2,903.13, 4,006.19 and 1,576.80 is: 2,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.13 : 4,006.19 = 1,576.80 : x
  2. Step 2: Convert to fraction form
    2,903.13/4,006.19 = 1,576.80/x
  3. Step 3: Cross multiply
    2,903.13x = 4,006.19 × 1,576.80
  4. Step 4: Simplify right side
    2,903.13x = 6,316,964.33
  5. Step 5: Solve for x
    x = 6,316,964.33/2,903.13
  6. Step 6: Final answer
    x = 2,175.92

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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.