Home / 1,505.58-2,247.20-1,262.94

Finding the Fourth Proportional to 1,505.58, 2,247.20 and 1,262.94

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Solution

The fourth proportional to 1,505.58, 2,247.20 and 1,262.94 is: 1,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.58 : 2,247.20 = 1,262.94 : x
  2. Step 2: Convert to fraction form
    1,505.58/2,247.20 = 1,262.94/x
  3. Step 3: Cross multiply
    1,505.58x = 2,247.20 × 1,262.94
  4. Step 4: Simplify right side
    1,505.58x = 2,838,072.45
  5. Step 5: Solve for x
    x = 2,838,072.45/1,505.58
  6. Step 6: Final answer
    x = 1,885.04

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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.