Home / 1,609.08-2,218.64-1,048.76

Finding the Fourth Proportional to 1,609.08, 2,218.64 and 1,048.76

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Solution

The fourth proportional to 1,609.08, 2,218.64 and 1,048.76 is: 1,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.08 : 2,218.64 = 1,048.76 : x
  2. Step 2: Convert to fraction form
    1,609.08/2,218.64 = 1,048.76/x
  3. Step 3: Cross multiply
    1,609.08x = 2,218.64 × 1,048.76
  4. Step 4: Simplify right side
    1,609.08x = 2,326,820.89
  5. Step 5: Solve for x
    x = 2,326,820.89/1,609.08
  6. Step 6: Final answer
    x = 1,446.06

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Half scale
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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.