Home / 1,504.89-2,076.85-841.70

Finding the Fourth Proportional to 1,504.89, 2,076.85 and 841.70

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Solution

The fourth proportional to 1,504.89, 2,076.85 and 841.70 is: 1,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.89 : 2,076.85 = 841.70 : x
  2. Step 2: Convert to fraction form
    1,504.89/2,076.85 = 841.70/x
  3. Step 3: Cross multiply
    1,504.89x = 2,076.85 × 841.70
  4. Step 4: Simplify right side
    1,504.89x = 1,748,087.73
  5. Step 5: Solve for x
    x = 1,748,087.73/1,504.89
  6. Step 6: Final answer
    x = 1,161.60

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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.