Home / 1,470.53-2,028.77-895.43

Finding the Fourth Proportional to 1,470.53, 2,028.77 and 895.43

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Solution

The fourth proportional to 1,470.53, 2,028.77 and 895.43 is: 1,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.53 : 2,028.77 = 895.43 : x
  2. Step 2: Convert to fraction form
    1,470.53/2,028.77 = 895.43/x
  3. Step 3: Cross multiply
    1,470.53x = 2,028.77 × 895.43
  4. Step 4: Simplify right side
    1,470.53x = 1,816,621.52
  5. Step 5: Solve for x
    x = 1,816,621.52/1,470.53
  6. Step 6: Final answer
    x = 1,235.35

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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.