Home / 1,743.68-2,615.48-445.14

Finding the Fourth Proportional to 1,743.68, 2,615.48 and 445.14

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Solution

The fourth proportional to 1,743.68, 2,615.48 and 445.14 is: 667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.68 : 2,615.48 = 445.14 : x
  2. Step 2: Convert to fraction form
    1,743.68/2,615.48 = 445.14/x
  3. Step 3: Cross multiply
    1,743.68x = 2,615.48 × 445.14
  4. Step 4: Simplify right side
    1,743.68x = 1,164,254.77
  5. Step 5: Solve for x
    x = 1,164,254.77/1,743.68
  6. Step 6: Final answer
    x = 667.70

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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.