Home / 2,785.77-3,844.34-1,526.90

Finding the Fourth Proportional to 2,785.77, 3,844.34 and 1,526.90

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Solution

The fourth proportional to 2,785.77, 3,844.34 and 1,526.90 is: 2,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.77 : 3,844.34 = 1,526.90 : x
  2. Step 2: Convert to fraction form
    2,785.77/3,844.34 = 1,526.90/x
  3. Step 3: Cross multiply
    2,785.77x = 3,844.34 × 1,526.90
  4. Step 4: Simplify right side
    2,785.77x = 5,869,901.62
  5. Step 5: Solve for x
    x = 5,869,901.62/2,785.77
  6. Step 6: Final answer
    x = 2,107.10

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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.