Home / 1,817.26-2,507.81-1,020.47

Finding the Fourth Proportional to 1,817.26, 2,507.81 and 1,020.47

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Solution

The fourth proportional to 1,817.26, 2,507.81 and 1,020.47 is: 1,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.26 : 2,507.81 = 1,020.47 : x
  2. Step 2: Convert to fraction form
    1,817.26/2,507.81 = 1,020.47/x
  3. Step 3: Cross multiply
    1,817.26x = 2,507.81 × 1,020.47
  4. Step 4: Simplify right side
    1,817.26x = 2,559,159.35
  5. Step 5: Solve for x
    x = 2,559,159.35/1,817.26
  6. Step 6: Final answer
    x = 1,408.25

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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.