Home / 1,560.48-2,333.82-1,388.35

Finding the Fourth Proportional to 1,560.48, 2,333.82 and 1,388.35

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Solution

The fourth proportional to 1,560.48, 2,333.82 and 1,388.35 is: 2,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.48 : 2,333.82 = 1,388.35 : x
  2. Step 2: Convert to fraction form
    1,560.48/2,333.82 = 1,388.35/x
  3. Step 3: Cross multiply
    1,560.48x = 2,333.82 × 1,388.35
  4. Step 4: Simplify right side
    1,560.48x = 3,240,159.00
  5. Step 5: Solve for x
    x = 3,240,159.00/1,560.48
  6. Step 6: Final answer
    x = 2,076.39

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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.