Home / 2,590.46-3,576.94-2,111.99

Finding the Fourth Proportional to 2,590.46, 3,576.94 and 2,111.99

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Solution

The fourth proportional to 2,590.46, 3,576.94 and 2,111.99 is: 2,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.46 : 3,576.94 = 2,111.99 : x
  2. Step 2: Convert to fraction form
    2,590.46/3,576.94 = 2,111.99/x
  3. Step 3: Cross multiply
    2,590.46x = 3,576.94 × 2,111.99
  4. Step 4: Simplify right side
    2,590.46x = 7,554,451.76
  5. Step 5: Solve for x
    x = 7,554,451.76/2,590.46
  6. Step 6: Final answer
    x = 2,916.26

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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.