Home / 2,619.16-3,615.21-1,557.67

Finding the Fourth Proportional to 2,619.16, 3,615.21 and 1,557.67

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Solution

The fourth proportional to 2,619.16, 3,615.21 and 1,557.67 is: 2,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.16 : 3,615.21 = 1,557.67 : x
  2. Step 2: Convert to fraction form
    2,619.16/3,615.21 = 1,557.67/x
  3. Step 3: Cross multiply
    2,619.16x = 3,615.21 × 1,557.67
  4. Step 4: Simplify right side
    2,619.16x = 5,631,296.37
  5. Step 5: Solve for x
    x = 5,631,296.37/2,619.16
  6. Step 6: Final answer
    x = 2,150.04

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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.