Home / 2,715.42-3,740.40-2,273.16

Finding the Fourth Proportional to 2,715.42, 3,740.40 and 2,273.16

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Solution

The fourth proportional to 2,715.42, 3,740.40 and 2,273.16 is: 3,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.42 : 3,740.40 = 2,273.16 : x
  2. Step 2: Convert to fraction form
    2,715.42/3,740.40 = 2,273.16/x
  3. Step 3: Cross multiply
    2,715.42x = 3,740.40 × 2,273.16
  4. Step 4: Simplify right side
    2,715.42x = 8,502,527.66
  5. Step 5: Solve for x
    x = 8,502,527.66/2,715.42
  6. Step 6: Final answer
    x = 3,131.20

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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.