Home / 1,683.84-2,513.36-1,486.80

Finding the Fourth Proportional to 1,683.84, 2,513.36 and 1,486.80

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Solution

The fourth proportional to 1,683.84, 2,513.36 and 1,486.80 is: 2,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.84 : 2,513.36 = 1,486.80 : x
  2. Step 2: Convert to fraction form
    1,683.84/2,513.36 = 1,486.80/x
  3. Step 3: Cross multiply
    1,683.84x = 2,513.36 × 1,486.80
  4. Step 4: Simplify right side
    1,683.84x = 3,736,863.65
  5. Step 5: Solve for x
    x = 3,736,863.65/1,683.84
  6. Step 6: Final answer
    x = 2,219.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.