Home / 1,859.09-2,568.21-1,485.57

Finding the Fourth Proportional to 1,859.09, 2,568.21 and 1,485.57

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Solution

The fourth proportional to 1,859.09, 2,568.21 and 1,485.57 is: 2,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.09 : 2,568.21 = 1,485.57 : x
  2. Step 2: Convert to fraction form
    1,859.09/2,568.21 = 1,485.57/x
  3. Step 3: Cross multiply
    1,859.09x = 2,568.21 × 1,485.57
  4. Step 4: Simplify right side
    1,859.09x = 3,815,259.79
  5. Step 5: Solve for x
    x = 3,815,259.79/1,859.09
  6. Step 6: Final answer
    x = 2,052.22

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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.