Home / 2,110.07-3,165.16-648.93

Finding the Fourth Proportional to 2,110.07, 3,165.16 and 648.93

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Solution

The fourth proportional to 2,110.07, 3,165.16 and 648.93 is: 973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.07 : 3,165.16 = 648.93 : x
  2. Step 2: Convert to fraction form
    2,110.07/3,165.16 = 648.93/x
  3. Step 3: Cross multiply
    2,110.07x = 3,165.16 × 648.93
  4. Step 4: Simplify right side
    2,110.07x = 2,053,967.28
  5. Step 5: Solve for x
    x = 2,053,967.28/2,110.07
  6. Step 6: Final answer
    x = 973.41

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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.