Home / 1,970.35-2,955.52-1,352.18

Finding the Fourth Proportional to 1,970.35, 2,955.52 and 1,352.18

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Solution

The fourth proportional to 1,970.35, 2,955.52 and 1,352.18 is: 2,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.35 : 2,955.52 = 1,352.18 : x
  2. Step 2: Convert to fraction form
    1,970.35/2,955.52 = 1,352.18/x
  3. Step 3: Cross multiply
    1,970.35x = 2,955.52 × 1,352.18
  4. Step 4: Simplify right side
    1,970.35x = 3,996,376.88
  5. Step 5: Solve for x
    x = 3,996,376.88/1,970.35
  6. Step 6: Final answer
    x = 2,028.26

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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.