Home / 1,513.12-2,266.02-1,339.98

Finding the Fourth Proportional to 1,513.12, 2,266.02 and 1,339.98

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Solution

The fourth proportional to 1,513.12, 2,266.02 and 1,339.98 is: 2,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.12 : 2,266.02 = 1,339.98 : x
  2. Step 2: Convert to fraction form
    1,513.12/2,266.02 = 1,339.98/x
  3. Step 3: Cross multiply
    1,513.12x = 2,266.02 × 1,339.98
  4. Step 4: Simplify right side
    1,513.12x = 3,036,421.48
  5. Step 5: Solve for x
    x = 3,036,421.48/1,513.12
  6. Step 6: Final answer
    x = 2,006.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.