Home / 1,830.68-2,748.18-1,756.40

Finding the Fourth Proportional to 1,830.68, 2,748.18 and 1,756.40

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Solution

The fourth proportional to 1,830.68, 2,748.18 and 1,756.40 is: 2,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.68 : 2,748.18 = 1,756.40 : x
  2. Step 2: Convert to fraction form
    1,830.68/2,748.18 = 1,756.40/x
  3. Step 3: Cross multiply
    1,830.68x = 2,748.18 × 1,756.40
  4. Step 4: Simplify right side
    1,830.68x = 4,826,903.35
  5. Step 5: Solve for x
    x = 4,826,903.35/1,830.68
  6. Step 6: Final answer
    x = 2,636.67

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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.