Home / 1,567.47-2,163.34-895.28

Finding the Fourth Proportional to 1,567.47, 2,163.34 and 895.28

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Solution

The fourth proportional to 1,567.47, 2,163.34 and 895.28 is: 1,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.47 : 2,163.34 = 895.28 : x
  2. Step 2: Convert to fraction form
    1,567.47/2,163.34 = 895.28/x
  3. Step 3: Cross multiply
    1,567.47x = 2,163.34 × 895.28
  4. Step 4: Simplify right side
    1,567.47x = 1,936,785.34
  5. Step 5: Solve for x
    x = 1,936,785.34/1,567.47
  6. Step 6: Final answer
    x = 1,235.61

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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.