Home / 2,038.23-2,813.94-1,292.82

Finding the Fourth Proportional to 2,038.23, 2,813.94 and 1,292.82

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Solution

The fourth proportional to 2,038.23, 2,813.94 and 1,292.82 is: 1,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.23 : 2,813.94 = 1,292.82 : x
  2. Step 2: Convert to fraction form
    2,038.23/2,813.94 = 1,292.82/x
  3. Step 3: Cross multiply
    2,038.23x = 2,813.94 × 1,292.82
  4. Step 4: Simplify right side
    2,038.23x = 3,637,917.91
  5. Step 5: Solve for x
    x = 3,637,917.91/2,038.23
  6. Step 6: Final answer
    x = 1,784.84

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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.