Home / 1,628.44-2,244.90-1,130.32

Finding the Fourth Proportional to 1,628.44, 2,244.90 and 1,130.32

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Solution

The fourth proportional to 1,628.44, 2,244.90 and 1,130.32 is: 1,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.44 : 2,244.90 = 1,130.32 : x
  2. Step 2: Convert to fraction form
    1,628.44/2,244.90 = 1,130.32/x
  3. Step 3: Cross multiply
    1,628.44x = 2,244.90 × 1,130.32
  4. Step 4: Simplify right side
    1,628.44x = 2,537,455.37
  5. Step 5: Solve for x
    x = 2,537,455.37/1,628.44
  6. Step 6: Final answer
    x = 1,558.21

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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.