Home / 2,618.34-3,613.23-1,673.70

Finding the Fourth Proportional to 2,618.34, 3,613.23 and 1,673.70

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Solution

The fourth proportional to 2,618.34, 3,613.23 and 1,673.70 is: 2,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.34 : 3,613.23 = 1,673.70 : x
  2. Step 2: Convert to fraction form
    2,618.34/3,613.23 = 1,673.70/x
  3. Step 3: Cross multiply
    2,618.34x = 3,613.23 × 1,673.70
  4. Step 4: Simplify right side
    2,618.34x = 6,047,463.05
  5. Step 5: Solve for x
    x = 6,047,463.05/2,618.34
  6. Step 6: Final answer
    x = 2,309.66

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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.