Home / 2,353.49-3,248.21-1,305.89

Finding the Fourth Proportional to 2,353.49, 3,248.21 and 1,305.89

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Solution

The fourth proportional to 2,353.49, 3,248.21 and 1,305.89 is: 1,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.49 : 3,248.21 = 1,305.89 : x
  2. Step 2: Convert to fraction form
    2,353.49/3,248.21 = 1,305.89/x
  3. Step 3: Cross multiply
    2,353.49x = 3,248.21 × 1,305.89
  4. Step 4: Simplify right side
    2,353.49x = 4,241,798.43
  5. Step 5: Solve for x
    x = 4,241,798.43/2,353.49
  6. Step 6: Final answer
    x = 1,802.34

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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.