Home / 1,920.04-2,881.50-1,055.08

Finding the Fourth Proportional to 1,920.04, 2,881.50 and 1,055.08

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Solution

The fourth proportional to 1,920.04, 2,881.50 and 1,055.08 is: 1,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.04 : 2,881.50 = 1,055.08 : x
  2. Step 2: Convert to fraction form
    1,920.04/2,881.50 = 1,055.08/x
  3. Step 3: Cross multiply
    1,920.04x = 2,881.50 × 1,055.08
  4. Step 4: Simplify right side
    1,920.04x = 3,040,213.02
  5. Step 5: Solve for x
    x = 3,040,213.02/1,920.04
  6. Step 6: Final answer
    x = 1,583.41

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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.