Home / 1,946.69-2,686.44-1,150.02

Finding the Fourth Proportional to 1,946.69, 2,686.44 and 1,150.02

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Solution

The fourth proportional to 1,946.69, 2,686.44 and 1,150.02 is: 1,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.69 : 2,686.44 = 1,150.02 : x
  2. Step 2: Convert to fraction form
    1,946.69/2,686.44 = 1,150.02/x
  3. Step 3: Cross multiply
    1,946.69x = 2,686.44 × 1,150.02
  4. Step 4: Simplify right side
    1,946.69x = 3,089,459.73
  5. Step 5: Solve for x
    x = 3,089,459.73/1,946.69
  6. Step 6: Final answer
    x = 1,587.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.