Home / 2,685.58-3,705.96-1,506.67

Finding the Fourth Proportional to 2,685.58, 3,705.96 and 1,506.67

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Solution

The fourth proportional to 2,685.58, 3,705.96 and 1,506.67 is: 2,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.58 : 3,705.96 = 1,506.67 : x
  2. Step 2: Convert to fraction form
    2,685.58/3,705.96 = 1,506.67/x
  3. Step 3: Cross multiply
    2,685.58x = 3,705.96 × 1,506.67
  4. Step 4: Simplify right side
    2,685.58x = 5,583,658.75
  5. Step 5: Solve for x
    x = 5,583,658.75/2,685.58
  6. Step 6: Final answer
    x = 2,079.13

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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.