Home / 1,628.47-2,245.44-1,156.51

Finding the Fourth Proportional to 1,628.47, 2,245.44 and 1,156.51

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Solution

The fourth proportional to 1,628.47, 2,245.44 and 1,156.51 is: 1,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.47 : 2,245.44 = 1,156.51 : x
  2. Step 2: Convert to fraction form
    1,628.47/2,245.44 = 1,156.51/x
  3. Step 3: Cross multiply
    1,628.47x = 2,245.44 × 1,156.51
  4. Step 4: Simplify right side
    1,628.47x = 2,596,873.81
  5. Step 5: Solve for x
    x = 2,596,873.81/1,628.47
  6. Step 6: Final answer
    x = 1,594.67

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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.