Home / 2,237.04-3,355.80-1,980

Finding the Fourth Proportional to 2,237.04, 3,355.80 and 1,980

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Solution

The fourth proportional to 2,237.04, 3,355.80 and 1,980 is: 2,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.04 : 3,355.80 = 1,980 : x
  2. Step 2: Convert to fraction form
    2,237.04/3,355.80 = 1,980/x
  3. Step 3: Cross multiply
    2,237.04x = 3,355.80 × 1,980
  4. Step 4: Simplify right side
    2,237.04x = 6,644,484
  5. Step 5: Solve for x
    x = 6,644,484/2,237.04
  6. Step 6: Final answer
    x = 2,970.21

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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.