Home / 1,586.58-2,380.47-1,099.36

Finding the Fourth Proportional to 1,586.58, 2,380.47 and 1,099.36

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Solution

The fourth proportional to 1,586.58, 2,380.47 and 1,099.36 is: 1,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.58 : 2,380.47 = 1,099.36 : x
  2. Step 2: Convert to fraction form
    1,586.58/2,380.47 = 1,099.36/x
  3. Step 3: Cross multiply
    1,586.58x = 2,380.47 × 1,099.36
  4. Step 4: Simplify right side
    1,586.58x = 2,616,993.50
  5. Step 5: Solve for x
    x = 2,616,993.50/1,586.58
  6. Step 6: Final answer
    x = 1,649.46

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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.