Home / 2,555.28-3,525.66-1,436.00

Finding the Fourth Proportional to 2,555.28, 3,525.66 and 1,436.00

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Solution

The fourth proportional to 2,555.28, 3,525.66 and 1,436.00 is: 1,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.28 : 3,525.66 = 1,436.00 : x
  2. Step 2: Convert to fraction form
    2,555.28/3,525.66 = 1,436.00/x
  3. Step 3: Cross multiply
    2,555.28x = 3,525.66 × 1,436.00
  4. Step 4: Simplify right side
    2,555.28x = 5,062,830.13
  5. Step 5: Solve for x
    x = 5,062,830.13/2,555.28
  6. Step 6: Final answer
    x = 1,981.32

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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.