Home / 2,048.85-3,072.40-1,124.14

Finding the Fourth Proportional to 2,048.85, 3,072.40 and 1,124.14

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Solution

The fourth proportional to 2,048.85, 3,072.40 and 1,124.14 is: 1,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.85 : 3,072.40 = 1,124.14 : x
  2. Step 2: Convert to fraction form
    2,048.85/3,072.40 = 1,124.14/x
  3. Step 3: Cross multiply
    2,048.85x = 3,072.40 × 1,124.14
  4. Step 4: Simplify right side
    2,048.85x = 3,453,807.74
  5. Step 5: Solve for x
    x = 3,453,807.74/2,048.85
  6. Step 6: Final answer
    x = 1,685.73

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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.