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Finding the Fourth Proportional to 1,453.83, 2,180.70 and 837.06

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Solution

The fourth proportional to 1,453.83, 2,180.70 and 837.06 is: 1,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.83 : 2,180.70 = 837.06 : x
  2. Step 2: Convert to fraction form
    1,453.83/2,180.70 = 837.06/x
  3. Step 3: Cross multiply
    1,453.83x = 2,180.70 × 837.06
  4. Step 4: Simplify right side
    1,453.83x = 1,825,376.74
  5. Step 5: Solve for x
    x = 1,825,376.74/1,453.83
  6. Step 6: Final answer
    x = 1,255.56

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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.