Home / 1,696.30-2,544.45-1,623.40

Finding the Fourth Proportional to 1,696.30, 2,544.45 and 1,623.40

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Solution

The fourth proportional to 1,696.30, 2,544.45 and 1,623.40 is: 2,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.30 : 2,544.45 = 1,623.40 : x
  2. Step 2: Convert to fraction form
    1,696.30/2,544.45 = 1,623.40/x
  3. Step 3: Cross multiply
    1,696.30x = 2,544.45 × 1,623.40
  4. Step 4: Simplify right side
    1,696.30x = 4,130,660.13
  5. Step 5: Solve for x
    x = 4,130,660.13/1,696.30
  6. Step 6: Final answer
    x = 2,435.10

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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.