Home / 1,020.18-1,519.46-1,008.02

Finding the Fourth Proportional to 1,020.18, 1,519.46 and 1,008.02

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Solution

The fourth proportional to 1,020.18, 1,519.46 and 1,008.02 is: 1,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020.18 : 1,519.46 = 1,008.02 : x
  2. Step 2: Convert to fraction form
    1,020.18/1,519.46 = 1,008.02/x
  3. Step 3: Cross multiply
    1,020.18x = 1,519.46 × 1,008.02
  4. Step 4: Simplify right side
    1,020.18x = 1,531,646.07
  5. Step 5: Solve for x
    x = 1,531,646.07/1,020.18
  6. Step 6: Final answer
    x = 1,501.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.