Home / 2,351.07-3,243.06-1,554.40

Finding the Fourth Proportional to 2,351.07, 3,243.06 and 1,554.40

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Solution

The fourth proportional to 2,351.07, 3,243.06 and 1,554.40 is: 2,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.07 : 3,243.06 = 1,554.40 : x
  2. Step 2: Convert to fraction form
    2,351.07/3,243.06 = 1,554.40/x
  3. Step 3: Cross multiply
    2,351.07x = 3,243.06 × 1,554.40
  4. Step 4: Simplify right side
    2,351.07x = 5,041,012.46
  5. Step 5: Solve for x
    x = 5,041,012.46/2,351.07
  6. Step 6: Final answer
    x = 2,144.14

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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.