Home / 1,946.86-2,687.02-1,150.14

Finding the Fourth Proportional to 1,946.86, 2,687.02 and 1,150.14

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Solution

The fourth proportional to 1,946.86, 2,687.02 and 1,150.14 is: 1,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.86 : 2,687.02 = 1,150.14 : x
  2. Step 2: Convert to fraction form
    1,946.86/2,687.02 = 1,150.14/x
  3. Step 3: Cross multiply
    1,946.86x = 2,687.02 × 1,150.14
  4. Step 4: Simplify right side
    1,946.86x = 3,090,449.18
  5. Step 5: Solve for x
    x = 3,090,449.18/1,946.86
  6. Step 6: Final answer
    x = 1,587.40

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Half scale
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Double scale
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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.