Home / 1,955.70-2,698.43-1,158.63

Finding the Fourth Proportional to 1,955.70, 2,698.43 and 1,158.63

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Solution

The fourth proportional to 1,955.70, 2,698.43 and 1,158.63 is: 1,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.70 : 2,698.43 = 1,158.63 : x
  2. Step 2: Convert to fraction form
    1,955.70/2,698.43 = 1,158.63/x
  3. Step 3: Cross multiply
    1,955.70x = 2,698.43 × 1,158.63
  4. Step 4: Simplify right side
    1,955.70x = 3,126,476.16
  5. Step 5: Solve for x
    x = 3,126,476.16/1,955.70
  6. Step 6: Final answer
    x = 1,598.65

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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.