Home / 1,923.98-2,666.24-1,887.06

Finding the Fourth Proportional to 1,923.98, 2,666.24 and 1,887.06

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Solution

The fourth proportional to 1,923.98, 2,666.24 and 1,887.06 is: 2,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.98 : 2,666.24 = 1,887.06 : x
  2. Step 2: Convert to fraction form
    1,923.98/2,666.24 = 1,887.06/x
  3. Step 3: Cross multiply
    1,923.98x = 2,666.24 × 1,887.06
  4. Step 4: Simplify right side
    1,923.98x = 5,031,345.42
  5. Step 5: Solve for x
    x = 5,031,345.42/1,923.98
  6. Step 6: Final answer
    x = 2,615.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.