Home / 2,390.46-3,586.35-1,003.47

Finding the Fourth Proportional to 2,390.46, 3,586.35 and 1,003.47

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Solution

The fourth proportional to 2,390.46, 3,586.35 and 1,003.47 is: 1,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.46 : 3,586.35 = 1,003.47 : x
  2. Step 2: Convert to fraction form
    2,390.46/3,586.35 = 1,003.47/x
  3. Step 3: Cross multiply
    2,390.46x = 3,586.35 × 1,003.47
  4. Step 4: Simplify right side
    2,390.46x = 3,598,794.63
  5. Step 5: Solve for x
    x = 3,598,794.63/2,390.46
  6. Step 6: Final answer
    x = 1,505.48

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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.