Home / 1,513.49-2,089.44-1,114.83

Finding the Fourth Proportional to 1,513.49, 2,089.44 and 1,114.83

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Solution

The fourth proportional to 1,513.49, 2,089.44 and 1,114.83 is: 1,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.49 : 2,089.44 = 1,114.83 : x
  2. Step 2: Convert to fraction form
    1,513.49/2,089.44 = 1,114.83/x
  3. Step 3: Cross multiply
    1,513.49x = 2,089.44 × 1,114.83
  4. Step 4: Simplify right side
    1,513.49x = 2,329,370.40
  5. Step 5: Solve for x
    x = 2,329,370.40/1,513.49
  6. Step 6: Final answer
    x = 1,539.08

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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.