Home / 1,955.06-2,698.05-1,070.86

Finding the Fourth Proportional to 1,955.06, 2,698.05 and 1,070.86

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Solution

The fourth proportional to 1,955.06, 2,698.05 and 1,070.86 is: 1,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.06 : 2,698.05 = 1,070.86 : x
  2. Step 2: Convert to fraction form
    1,955.06/2,698.05 = 1,070.86/x
  3. Step 3: Cross multiply
    1,955.06x = 2,698.05 × 1,070.86
  4. Step 4: Simplify right side
    1,955.06x = 2,889,233.82
  5. Step 5: Solve for x
    x = 2,889,233.82/1,955.06
  6. Step 6: Final answer
    x = 1,477.82

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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.