Home / 1,511.51-2,267.27-486.23

Finding the Fourth Proportional to 1,511.51, 2,267.27 and 486.23

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Solution

The fourth proportional to 1,511.51, 2,267.27 and 486.23 is: 729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.51 : 2,267.27 = 486.23 : x
  2. Step 2: Convert to fraction form
    1,511.51/2,267.27 = 486.23/x
  3. Step 3: Cross multiply
    1,511.51x = 2,267.27 × 486.23
  4. Step 4: Simplify right side
    1,511.51x = 1,102,412.26
  5. Step 5: Solve for x
    x = 1,102,412.26/1,511.51
  6. Step 6: Final answer
    x = 729.35

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Double scale
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Similar ratio
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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.