Home / 1,614.81-2,227.23-1,118.28

Finding the Fourth Proportional to 1,614.81, 2,227.23 and 1,118.28

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Solution

The fourth proportional to 1,614.81, 2,227.23 and 1,118.28 is: 1,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.81 : 2,227.23 = 1,118.28 : x
  2. Step 2: Convert to fraction form
    1,614.81/2,227.23 = 1,118.28/x
  3. Step 3: Cross multiply
    1,614.81x = 2,227.23 × 1,118.28
  4. Step 4: Simplify right side
    1,614.81x = 2,490,666.76
  5. Step 5: Solve for x
    x = 2,490,666.76/1,614.81
  6. Step 6: Final answer
    x = 1,542.39

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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.