Home / 1,900.65-2,620.01-1,480.26

Finding the Fourth Proportional to 1,900.65, 2,620.01 and 1,480.26

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Solution

The fourth proportional to 1,900.65, 2,620.01 and 1,480.26 is: 2,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.65 : 2,620.01 = 1,480.26 : x
  2. Step 2: Convert to fraction form
    1,900.65/2,620.01 = 1,480.26/x
  3. Step 3: Cross multiply
    1,900.65x = 2,620.01 × 1,480.26
  4. Step 4: Simplify right side
    1,900.65x = 3,878,296.00
  5. Step 5: Solve for x
    x = 3,878,296.00/1,900.65
  6. Step 6: Final answer
    x = 2,040.51

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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.