Home / 1,483.04-2,223.48-1,280

Finding the Fourth Proportional to 1,483.04, 2,223.48 and 1,280

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Solution

The fourth proportional to 1,483.04, 2,223.48 and 1,280 is: 1,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.04 : 2,223.48 = 1,280 : x
  2. Step 2: Convert to fraction form
    1,483.04/2,223.48 = 1,280/x
  3. Step 3: Cross multiply
    1,483.04x = 2,223.48 × 1,280
  4. Step 4: Simplify right side
    1,483.04x = 2,846,054.40
  5. Step 5: Solve for x
    x = 2,846,054.40/1,483.04
  6. Step 6: Final answer
    x = 1,919.07

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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.