Home / 2,613.62-3,606.80-1,434.67

Finding the Fourth Proportional to 2,613.62, 3,606.80 and 1,434.67

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Solution

The fourth proportional to 2,613.62, 3,606.80 and 1,434.67 is: 1,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.62 : 3,606.80 = 1,434.67 : x
  2. Step 2: Convert to fraction form
    2,613.62/3,606.80 = 1,434.67/x
  3. Step 3: Cross multiply
    2,613.62x = 3,606.80 × 1,434.67
  4. Step 4: Simplify right side
    2,613.62x = 5,174,551.57
  5. Step 5: Solve for x
    x = 5,174,551.57/2,613.62
  6. Step 6: Final answer
    x = 1,979.84

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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.