Home / 1,956.85-2,700.93-1,210.36

Finding the Fourth Proportional to 1,956.85, 2,700.93 and 1,210.36

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Solution

The fourth proportional to 1,956.85, 2,700.93 and 1,210.36 is: 1,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.85 : 2,700.93 = 1,210.36 : x
  2. Step 2: Convert to fraction form
    1,956.85/2,700.93 = 1,210.36/x
  3. Step 3: Cross multiply
    1,956.85x = 2,700.93 × 1,210.36
  4. Step 4: Simplify right side
    1,956.85x = 3,269,097.63
  5. Step 5: Solve for x
    x = 3,269,097.63/1,956.85
  6. Step 6: Final answer
    x = 1,670.59

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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.