Home / 2,703.90-4,055.85-972.66

Finding the Fourth Proportional to 2,703.90, 4,055.85 and 972.66

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Solution

The fourth proportional to 2,703.90, 4,055.85 and 972.66 is: 1,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.90 : 4,055.85 = 972.66 : x
  2. Step 2: Convert to fraction form
    2,703.90/4,055.85 = 972.66/x
  3. Step 3: Cross multiply
    2,703.90x = 4,055.85 × 972.66
  4. Step 4: Simplify right side
    2,703.90x = 3,944,963.06
  5. Step 5: Solve for x
    x = 3,944,963.06/2,703.90
  6. Step 6: Final answer
    x = 1,458.99

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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.