Home / 2,785.09-3,843.47-1,526.12

Finding the Fourth Proportional to 2,785.09, 3,843.47 and 1,526.12

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Solution

The fourth proportional to 2,785.09, 3,843.47 and 1,526.12 is: 2,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.09 : 3,843.47 = 1,526.12 : x
  2. Step 2: Convert to fraction form
    2,785.09/3,843.47 = 1,526.12/x
  3. Step 3: Cross multiply
    2,785.09x = 3,843.47 × 1,526.12
  4. Step 4: Simplify right side
    2,785.09x = 5,865,588.81
  5. Step 5: Solve for x
    x = 5,865,588.81/2,785.09
  6. Step 6: Final answer
    x = 2,106.07

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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.