Home / 1,563.64-2,159.34-974.44

Finding the Fourth Proportional to 1,563.64, 2,159.34 and 974.44

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Solution

The fourth proportional to 1,563.64, 2,159.34 and 974.44 is: 1,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.64 : 2,159.34 = 974.44 : x
  2. Step 2: Convert to fraction form
    1,563.64/2,159.34 = 974.44/x
  3. Step 3: Cross multiply
    1,563.64x = 2,159.34 × 974.44
  4. Step 4: Simplify right side
    1,563.64x = 2,104,147.27
  5. Step 5: Solve for x
    x = 2,104,147.27/1,563.64
  6. Step 6: Final answer
    x = 1,345.67

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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.