Home / 1,511.48-2,266.87-415.59

Finding the Fourth Proportional to 1,511.48, 2,266.87 and 415.59

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Solution

The fourth proportional to 1,511.48, 2,266.87 and 415.59 is: 623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.48 : 2,266.87 = 415.59 : x
  2. Step 2: Convert to fraction form
    1,511.48/2,266.87 = 415.59/x
  3. Step 3: Cross multiply
    1,511.48x = 2,266.87 × 415.59
  4. Step 4: Simplify right side
    1,511.48x = 942,088.50
  5. Step 5: Solve for x
    x = 942,088.50/1,511.48
  6. Step 6: Final answer
    x = 623.29

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1.5x scale

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.