Home / 1,011.02-1,513.62-895.28

Finding the Fourth Proportional to 1,011.02, 1,513.62 and 895.28

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Solution

The fourth proportional to 1,011.02, 1,513.62 and 895.28 is: 1,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.02 : 1,513.62 = 895.28 : x
  2. Step 2: Convert to fraction form
    1,011.02/1,513.62 = 895.28/x
  3. Step 3: Cross multiply
    1,011.02x = 1,513.62 × 895.28
  4. Step 4: Simplify right side
    1,011.02x = 1,355,106.15
  5. Step 5: Solve for x
    x = 1,355,106.15/1,011.02
  6. Step 6: Final answer
    x = 1,340.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.