Home / 2,125.85-2,935.10-1,901.08

Finding the Fourth Proportional to 2,125.85, 2,935.10 and 1,901.08

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Solution

The fourth proportional to 2,125.85, 2,935.10 and 1,901.08 is: 2,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.85 : 2,935.10 = 1,901.08 : x
  2. Step 2: Convert to fraction form
    2,125.85/2,935.10 = 1,901.08/x
  3. Step 3: Cross multiply
    2,125.85x = 2,935.10 × 1,901.08
  4. Step 4: Simplify right side
    2,125.85x = 5,579,857.64
  5. Step 5: Solve for x
    x = 5,579,857.64/2,125.85
  6. Step 6: Final answer
    x = 2,624.77

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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.