Home / 1,558.32-2,150.38-895.28

Finding the Fourth Proportional to 1,558.32, 2,150.38 and 895.28

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Solution

The fourth proportional to 1,558.32, 2,150.38 and 895.28 is: 1,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.32 : 2,150.38 = 895.28 : x
  2. Step 2: Convert to fraction form
    1,558.32/2,150.38 = 895.28/x
  3. Step 3: Cross multiply
    1,558.32x = 2,150.38 × 895.28
  4. Step 4: Simplify right side
    1,558.32x = 1,925,192.21
  5. Step 5: Solve for x
    x = 1,925,192.21/1,558.32
  6. Step 6: Final answer
    x = 1,235.43

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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.