Home / 1,513.46-2,088.65-850.52

Finding the Fourth Proportional to 1,513.46, 2,088.65 and 850.52

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Solution

The fourth proportional to 1,513.46, 2,088.65 and 850.52 is: 1,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.46 : 2,088.65 = 850.52 : x
  2. Step 2: Convert to fraction form
    1,513.46/2,088.65 = 850.52/x
  3. Step 3: Cross multiply
    1,513.46x = 2,088.65 × 850.52
  4. Step 4: Simplify right side
    1,513.46x = 1,776,445.95
  5. Step 5: Solve for x
    x = 1,776,445.95/1,513.46
  6. Step 6: Final answer
    x = 1,173.76

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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.