Home / 1,851.48-2,554.94-1,065.54

Finding the Fourth Proportional to 1,851.48, 2,554.94 and 1,065.54

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Solution

The fourth proportional to 1,851.48, 2,554.94 and 1,065.54 is: 1,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.48 : 2,554.94 = 1,065.54 : x
  2. Step 2: Convert to fraction form
    1,851.48/2,554.94 = 1,065.54/x
  3. Step 3: Cross multiply
    1,851.48x = 2,554.94 × 1,065.54
  4. Step 4: Simplify right side
    1,851.48x = 2,722,390.77
  5. Step 5: Solve for x
    x = 2,722,390.77/1,851.48
  6. Step 6: Final answer
    x = 1,470.39

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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.