Home / 3,156.05-4,354.47-2,036.58

Finding the Fourth Proportional to 3,156.05, 4,354.47 and 2,036.58

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Solution

The fourth proportional to 3,156.05, 4,354.47 and 2,036.58 is: 2,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.05 : 4,354.47 = 2,036.58 : x
  2. Step 2: Convert to fraction form
    3,156.05/4,354.47 = 2,036.58/x
  3. Step 3: Cross multiply
    3,156.05x = 4,354.47 × 2,036.58
  4. Step 4: Simplify right side
    3,156.05x = 8,868,226.51
  5. Step 5: Solve for x
    x = 8,868,226.51/3,156.05
  6. Step 6: Final answer
    x = 2,809.92

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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.