Home / 2,518.13-3,777.19-874.67

Finding the Fourth Proportional to 2,518.13, 3,777.19 and 874.67

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Solution

The fourth proportional to 2,518.13, 3,777.19 and 874.67 is: 1,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.13 : 3,777.19 = 874.67 : x
  2. Step 2: Convert to fraction form
    2,518.13/3,777.19 = 874.67/x
  3. Step 3: Cross multiply
    2,518.13x = 3,777.19 × 874.67
  4. Step 4: Simplify right side
    2,518.13x = 3,303,811.72
  5. Step 5: Solve for x
    x = 3,303,811.72/2,518.13
  6. Step 6: Final answer
    x = 1,312.01

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Similar ratio
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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.