Home / 2,977.35-4,109.36-1,799.07

Finding the Fourth Proportional to 2,977.35, 4,109.36 and 1,799.07

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Solution

The fourth proportional to 2,977.35, 4,109.36 and 1,799.07 is: 2,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.35 : 4,109.36 = 1,799.07 : x
  2. Step 2: Convert to fraction form
    2,977.35/4,109.36 = 1,799.07/x
  3. Step 3: Cross multiply
    2,977.35x = 4,109.36 × 1,799.07
  4. Step 4: Simplify right side
    2,977.35x = 7,393,017.30
  5. Step 5: Solve for x
    x = 7,393,017.30/2,977.35
  6. Step 6: Final answer
    x = 2,483.09

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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.