Home / 1,534.63-2,302.64-1,187.44

Finding the Fourth Proportional to 1,534.63, 2,302.64 and 1,187.44

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Solution

The fourth proportional to 1,534.63, 2,302.64 and 1,187.44 is: 1,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.63 : 2,302.64 = 1,187.44 : x
  2. Step 2: Convert to fraction form
    1,534.63/2,302.64 = 1,187.44/x
  3. Step 3: Cross multiply
    1,534.63x = 2,302.64 × 1,187.44
  4. Step 4: Simplify right side
    1,534.63x = 2,734,246.84
  5. Step 5: Solve for x
    x = 2,734,246.84/1,534.63
  6. Step 6: Final answer
    x = 1,781.70

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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.