Home / 1,945.32-2,900.84-1,927.77

Finding the Fourth Proportional to 1,945.32, 2,900.84 and 1,927.77

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Solution

The fourth proportional to 1,945.32, 2,900.84 and 1,927.77 is: 2,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.32 : 2,900.84 = 1,927.77 : x
  2. Step 2: Convert to fraction form
    1,945.32/2,900.84 = 1,927.77/x
  3. Step 3: Cross multiply
    1,945.32x = 2,900.84 × 1,927.77
  4. Step 4: Simplify right side
    1,945.32x = 5,592,152.33
  5. Step 5: Solve for x
    x = 5,592,152.33/1,945.32
  6. Step 6: Final answer
    x = 2,874.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.