Home / 2,920.18-4,027.73-1,800.71

Finding the Fourth Proportional to 2,920.18, 4,027.73 and 1,800.71

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Solution

The fourth proportional to 2,920.18, 4,027.73 and 1,800.71 is: 2,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.18 : 4,027.73 = 1,800.71 : x
  2. Step 2: Convert to fraction form
    2,920.18/4,027.73 = 1,800.71/x
  3. Step 3: Cross multiply
    2,920.18x = 4,027.73 × 1,800.71
  4. Step 4: Simplify right side
    2,920.18x = 7,252,748.32
  5. Step 5: Solve for x
    x = 7,252,748.32/2,920.18
  6. Step 6: Final answer
    x = 2,483.67

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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.