Home / 1,946.59-2,683.15-1,316.92

Finding the Fourth Proportional to 1,946.59, 2,683.15 and 1,316.92

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Solution

The fourth proportional to 1,946.59, 2,683.15 and 1,316.92 is: 1,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.59 : 2,683.15 = 1,316.92 : x
  2. Step 2: Convert to fraction form
    1,946.59/2,683.15 = 1,316.92/x
  3. Step 3: Cross multiply
    1,946.59x = 2,683.15 × 1,316.92
  4. Step 4: Simplify right side
    1,946.59x = 3,533,493.90
  5. Step 5: Solve for x
    x = 3,533,493.90/1,946.59
  6. Step 6: Final answer
    x = 1,815.22

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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.