Home / 2,351.47-3,528.73-1,120.27

Finding the Fourth Proportional to 2,351.47, 3,528.73 and 1,120.27

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Solution

The fourth proportional to 2,351.47, 3,528.73 and 1,120.27 is: 1,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.47 : 3,528.73 = 1,120.27 : x
  2. Step 2: Convert to fraction form
    2,351.47/3,528.73 = 1,120.27/x
  3. Step 3: Cross multiply
    2,351.47x = 3,528.73 × 1,120.27
  4. Step 4: Simplify right side
    2,351.47x = 3,953,130.36
  5. Step 5: Solve for x
    x = 3,953,130.36/2,351.47
  6. Step 6: Final answer
    x = 1,681.13

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1.5x scale

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.