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Finding the Fourth Proportional to 2,697.04, 4,045.58 and 749.11

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Solution

The fourth proportional to 2,697.04, 4,045.58 and 749.11 is: 1,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.04 : 4,045.58 = 749.11 : x
  2. Step 2: Convert to fraction form
    2,697.04/4,045.58 = 749.11/x
  3. Step 3: Cross multiply
    2,697.04x = 4,045.58 × 749.11
  4. Step 4: Simplify right side
    2,697.04x = 3,030,584.43
  5. Step 5: Solve for x
    x = 3,030,584.43/2,697.04
  6. Step 6: Final answer
    x = 1,123.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.