Home / 1,563.09-2,342.45-1,214.84

Finding the Fourth Proportional to 1,563.09, 2,342.45 and 1,214.84

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Solution

The fourth proportional to 1,563.09, 2,342.45 and 1,214.84 is: 1,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.09 : 2,342.45 = 1,214.84 : x
  2. Step 2: Convert to fraction form
    1,563.09/2,342.45 = 1,214.84/x
  3. Step 3: Cross multiply
    1,563.09x = 2,342.45 × 1,214.84
  4. Step 4: Simplify right side
    1,563.09x = 2,845,684.17
  5. Step 5: Solve for x
    x = 2,845,684.17/1,563.09
  6. Step 6: Final answer
    x = 1,820.55

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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.