Home / 1,628.34-2,247.47-1,156.92

Finding the Fourth Proportional to 1,628.34, 2,247.47 and 1,156.92

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Solution

The fourth proportional to 1,628.34, 2,247.47 and 1,156.92 is: 1,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.34 : 2,247.47 = 1,156.92 : x
  2. Step 2: Convert to fraction form
    1,628.34/2,247.47 = 1,156.92/x
  3. Step 3: Cross multiply
    1,628.34x = 2,247.47 × 1,156.92
  4. Step 4: Simplify right side
    1,628.34x = 2,600,142.99
  5. Step 5: Solve for x
    x = 2,600,142.99/1,628.34
  6. Step 6: Final answer
    x = 1,596.81

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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.