Home / 2,176.64-3,259.36-1,445.12

Finding the Fourth Proportional to 2,176.64, 3,259.36 and 1,445.12

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Solution

The fourth proportional to 2,176.64, 3,259.36 and 1,445.12 is: 2,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.64 : 3,259.36 = 1,445.12 : x
  2. Step 2: Convert to fraction form
    2,176.64/3,259.36 = 1,445.12/x
  3. Step 3: Cross multiply
    2,176.64x = 3,259.36 × 1,445.12
  4. Step 4: Simplify right side
    2,176.64x = 4,710,166.32
  5. Step 5: Solve for x
    x = 4,710,166.32/2,176.64
  6. Step 6: Final answer
    x = 2,163.96

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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.