Home / 1,749.59-2,412.43-1,306.74

Finding the Fourth Proportional to 1,749.59, 2,412.43 and 1,306.74

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Solution

The fourth proportional to 1,749.59, 2,412.43 and 1,306.74 is: 1,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.59 : 2,412.43 = 1,306.74 : x
  2. Step 2: Convert to fraction form
    1,749.59/2,412.43 = 1,306.74/x
  3. Step 3: Cross multiply
    1,749.59x = 2,412.43 × 1,306.74
  4. Step 4: Simplify right side
    1,749.59x = 3,152,412.24
  5. Step 5: Solve for x
    x = 3,152,412.24/1,749.59
  6. Step 6: Final answer
    x = 1,801.81

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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.