Home / 2,125.51-2,927.97-1,809.76

Finding the Fourth Proportional to 2,125.51, 2,927.97 and 1,809.76

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Solution

The fourth proportional to 2,125.51, 2,927.97 and 1,809.76 is: 2,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.51 : 2,927.97 = 1,809.76 : x
  2. Step 2: Convert to fraction form
    2,125.51/2,927.97 = 1,809.76/x
  3. Step 3: Cross multiply
    2,125.51x = 2,927.97 × 1,809.76
  4. Step 4: Simplify right side
    2,125.51x = 5,298,922.99
  5. Step 5: Solve for x
    x = 5,298,922.99/2,125.51
  6. Step 6: Final answer
    x = 2,493.01

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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.