Home / 1,563.29-2,158.19-1,059.49

Finding the Fourth Proportional to 1,563.29, 2,158.19 and 1,059.49

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Solution

The fourth proportional to 1,563.29, 2,158.19 and 1,059.49 is: 1,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.29 : 2,158.19 = 1,059.49 : x
  2. Step 2: Convert to fraction form
    1,563.29/2,158.19 = 1,059.49/x
  3. Step 3: Cross multiply
    1,563.29x = 2,158.19 × 1,059.49
  4. Step 4: Simplify right side
    1,563.29x = 2,286,580.72
  5. Step 5: Solve for x
    x = 2,286,580.72/1,563.29
  6. Step 6: Final answer
    x = 1,462.67

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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.