Home / 1,923.12-2,642.37-1,529.46

Finding the Fourth Proportional to 1,923.12, 2,642.37 and 1,529.46

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Solution

The fourth proportional to 1,923.12, 2,642.37 and 1,529.46 is: 2,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.12 : 2,642.37 = 1,529.46 : x
  2. Step 2: Convert to fraction form
    1,923.12/2,642.37 = 1,529.46/x
  3. Step 3: Cross multiply
    1,923.12x = 2,642.37 × 1,529.46
  4. Step 4: Simplify right side
    1,923.12x = 4,041,399.22
  5. Step 5: Solve for x
    x = 4,041,399.22/1,923.12
  6. Step 6: Final answer
    x = 2,101.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.