Home / 2,684.99-3,705.63-1,506.13

Finding the Fourth Proportional to 2,684.99, 3,705.63 and 1,506.13

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Solution

The fourth proportional to 2,684.99, 3,705.63 and 1,506.13 is: 2,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.99 : 3,705.63 = 1,506.13 : x
  2. Step 2: Convert to fraction form
    2,684.99/3,705.63 = 1,506.13/x
  3. Step 3: Cross multiply
    2,684.99x = 3,705.63 × 1,506.13
  4. Step 4: Simplify right side
    2,684.99x = 5,581,160.51
  5. Step 5: Solve for x
    x = 5,581,160.51/2,684.99
  6. Step 6: Final answer
    x = 2,078.65

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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.