Home / 1,706.24-2,370.94-1,688.42

Finding the Fourth Proportional to 1,706.24, 2,370.94 and 1,688.42

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Solution

The fourth proportional to 1,706.24, 2,370.94 and 1,688.42 is: 2,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.24 : 2,370.94 = 1,688.42 : x
  2. Step 2: Convert to fraction form
    1,706.24/2,370.94 = 1,688.42/x
  3. Step 3: Cross multiply
    1,706.24x = 2,370.94 × 1,688.42
  4. Step 4: Simplify right side
    1,706.24x = 4,003,142.51
  5. Step 5: Solve for x
    x = 4,003,142.51/1,706.24
  6. Step 6: Final answer
    x = 2,346.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.