Home / 2,176.32-3,263.40-1,065.82

Finding the Fourth Proportional to 2,176.32, 3,263.40 and 1,065.82

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Solution

The fourth proportional to 2,176.32, 3,263.40 and 1,065.82 is: 1,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.32 : 3,263.40 = 1,065.82 : x
  2. Step 2: Convert to fraction form
    2,176.32/3,263.40 = 1,065.82/x
  3. Step 3: Cross multiply
    2,176.32x = 3,263.40 × 1,065.82
  4. Step 4: Simplify right side
    2,176.32x = 3,478,196.99
  5. Step 5: Solve for x
    x = 3,478,196.99/2,176.32
  6. Step 6: Final answer
    x = 1,598.20

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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.