Home / 2,114.24-2,908.80-1,927.68

Finding the Fourth Proportional to 2,114.24, 2,908.80 and 1,927.68

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Solution

The fourth proportional to 2,114.24, 2,908.80 and 1,927.68 is: 2,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.24 : 2,908.80 = 1,927.68 : x
  2. Step 2: Convert to fraction form
    2,114.24/2,908.80 = 1,927.68/x
  3. Step 3: Cross multiply
    2,114.24x = 2,908.80 × 1,927.68
  4. Step 4: Simplify right side
    2,114.24x = 5,607,235.58
  5. Step 5: Solve for x
    x = 5,607,235.58/2,114.24
  6. Step 6: Final answer
    x = 2,652.13

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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.