Home / 1,937.43-2,905.51-1,047.80

Finding the Fourth Proportional to 1,937.43, 2,905.51 and 1,047.80

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Solution

The fourth proportional to 1,937.43, 2,905.51 and 1,047.80 is: 1,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.43 : 2,905.51 = 1,047.80 : x
  2. Step 2: Convert to fraction form
    1,937.43/2,905.51 = 1,047.80/x
  3. Step 3: Cross multiply
    1,937.43x = 2,905.51 × 1,047.80
  4. Step 4: Simplify right side
    1,937.43x = 3,044,376.23
  5. Step 5: Solve for x
    x = 3,044,376.23/1,937.43
  6. Step 6: Final answer
    x = 1,571.35

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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.