Home / 2,923.07-4,032.20-1,913.37

Finding the Fourth Proportional to 2,923.07, 4,032.20 and 1,913.37

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Solution

The fourth proportional to 2,923.07, 4,032.20 and 1,913.37 is: 2,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.07 : 4,032.20 = 1,913.37 : x
  2. Step 2: Convert to fraction form
    2,923.07/4,032.20 = 1,913.37/x
  3. Step 3: Cross multiply
    2,923.07x = 4,032.20 × 1,913.37
  4. Step 4: Simplify right side
    2,923.07x = 7,715,090.51
  5. Step 5: Solve for x
    x = 7,715,090.51/2,923.07
  6. Step 6: Final answer
    x = 2,639.38

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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.