Home / 2,075.60-2,863.32-1,328.96

Finding the Fourth Proportional to 2,075.60, 2,863.32 and 1,328.96

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Solution

The fourth proportional to 2,075.60, 2,863.32 and 1,328.96 is: 1,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.60 : 2,863.32 = 1,328.96 : x
  2. Step 2: Convert to fraction form
    2,075.60/2,863.32 = 1,328.96/x
  3. Step 3: Cross multiply
    2,075.60x = 2,863.32 × 1,328.96
  4. Step 4: Simplify right side
    2,075.60x = 3,805,237.75
  5. Step 5: Solve for x
    x = 3,805,237.75/2,075.60
  6. Step 6: Final answer
    x = 1,833.32

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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.