Home / 3,501.40-5,254.82-1,310.26

Finding the Fourth Proportional to 3,501.40, 5,254.82 and 1,310.26

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Solution

The fourth proportional to 3,501.40, 5,254.82 and 1,310.26 is: 1,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.40 : 5,254.82 = 1,310.26 : x
  2. Step 2: Convert to fraction form
    3,501.40/5,254.82 = 1,310.26/x
  3. Step 3: Cross multiply
    3,501.40x = 5,254.82 × 1,310.26
  4. Step 4: Simplify right side
    3,501.40x = 6,885,180.45
  5. Step 5: Solve for x
    x = 6,885,180.45/3,501.40
  6. Step 6: Final answer
    x = 1,966.41

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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.