Home / 1,254.24-1,869.54-1,234.80

Finding the Fourth Proportional to 1,254.24, 1,869.54 and 1,234.80

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Solution

The fourth proportional to 1,254.24, 1,869.54 and 1,234.80 is: 1,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.24 : 1,869.54 = 1,234.80 : x
  2. Step 2: Convert to fraction form
    1,254.24/1,869.54 = 1,234.80/x
  3. Step 3: Cross multiply
    1,254.24x = 1,869.54 × 1,234.80
  4. Step 4: Simplify right side
    1,254.24x = 2,308,507.99
  5. Step 5: Solve for x
    x = 2,308,507.99/1,254.24
  6. Step 6: Final answer
    x = 1,840.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.