Home / 2,623.90-3,937.04-1,143.58

Finding the Fourth Proportional to 2,623.90, 3,937.04 and 1,143.58

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Solution

The fourth proportional to 2,623.90, 3,937.04 and 1,143.58 is: 1,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.90 : 3,937.04 = 1,143.58 : x
  2. Step 2: Convert to fraction form
    2,623.90/3,937.04 = 1,143.58/x
  3. Step 3: Cross multiply
    2,623.90x = 3,937.04 × 1,143.58
  4. Step 4: Simplify right side
    2,623.90x = 4,502,320.20
  5. Step 5: Solve for x
    x = 4,502,320.20/2,623.90
  6. Step 6: Final answer
    x = 1,715.89

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1.5x scale

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.