Home / 1,514.23-2,090.42-1,047.67

Finding the Fourth Proportional to 1,514.23, 2,090.42 and 1,047.67

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Solution

The fourth proportional to 1,514.23, 2,090.42 and 1,047.67 is: 1,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.23 : 2,090.42 = 1,047.67 : x
  2. Step 2: Convert to fraction form
    1,514.23/2,090.42 = 1,047.67/x
  3. Step 3: Cross multiply
    1,514.23x = 2,090.42 × 1,047.67
  4. Step 4: Simplify right side
    1,514.23x = 2,190,065.08
  5. Step 5: Solve for x
    x = 2,190,065.08/1,514.23
  6. Step 6: Final answer
    x = 1,446.32

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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.