Home / 2,073.49-2,863.36-1,328.75

Finding the Fourth Proportional to 2,073.49, 2,863.36 and 1,328.75

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Solution

The fourth proportional to 2,073.49, 2,863.36 and 1,328.75 is: 1,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.49 : 2,863.36 = 1,328.75 : x
  2. Step 2: Convert to fraction form
    2,073.49/2,863.36 = 1,328.75/x
  3. Step 3: Cross multiply
    2,073.49x = 2,863.36 × 1,328.75
  4. Step 4: Simplify right side
    2,073.49x = 3,804,676.74
  5. Step 5: Solve for x
    x = 3,804,676.74/2,073.49
  6. Step 6: Final answer
    x = 1,834.91

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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.