Home / 2,036.70-3,051.12-1,215.63

Finding the Fourth Proportional to 2,036.70, 3,051.12 and 1,215.63

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Solution

The fourth proportional to 2,036.70, 3,051.12 and 1,215.63 is: 1,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.70 : 3,051.12 = 1,215.63 : x
  2. Step 2: Convert to fraction form
    2,036.70/3,051.12 = 1,215.63/x
  3. Step 3: Cross multiply
    2,036.70x = 3,051.12 × 1,215.63
  4. Step 4: Simplify right side
    2,036.70x = 3,709,033.01
  5. Step 5: Solve for x
    x = 3,709,033.01/2,036.70
  6. Step 6: Final answer
    x = 1,821.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.