Home / 2,785.34-3,843.65-1,526.46

Finding the Fourth Proportional to 2,785.34, 3,843.65 and 1,526.46

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Solution

The fourth proportional to 2,785.34, 3,843.65 and 1,526.46 is: 2,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.34 : 3,843.65 = 1,526.46 : x
  2. Step 2: Convert to fraction form
    2,785.34/3,843.65 = 1,526.46/x
  3. Step 3: Cross multiply
    2,785.34x = 3,843.65 × 1,526.46
  4. Step 4: Simplify right side
    2,785.34x = 5,867,170.35
  5. Step 5: Solve for x
    x = 5,867,170.35/2,785.34
  6. Step 6: Final answer
    x = 2,106.45

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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.