Home / 1,511.99-2,257.63-1,354.80

Finding the Fourth Proportional to 1,511.99, 2,257.63 and 1,354.80

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Solution

The fourth proportional to 1,511.99, 2,257.63 and 1,354.80 is: 2,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.99 : 2,257.63 = 1,354.80 : x
  2. Step 2: Convert to fraction form
    1,511.99/2,257.63 = 1,354.80/x
  3. Step 3: Cross multiply
    1,511.99x = 2,257.63 × 1,354.80
  4. Step 4: Simplify right side
    1,511.99x = 3,058,637.12
  5. Step 5: Solve for x
    x = 3,058,637.12/1,511.99
  6. Step 6: Final answer
    x = 2,022.92

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1.5x scale

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.