Home / 1,761.54-2,430.70-1,714.30

Finding the Fourth Proportional to 1,761.54, 2,430.70 and 1,714.30

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Solution

The fourth proportional to 1,761.54, 2,430.70 and 1,714.30 is: 2,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.54 : 2,430.70 = 1,714.30 : x
  2. Step 2: Convert to fraction form
    1,761.54/2,430.70 = 1,714.30/x
  3. Step 3: Cross multiply
    1,761.54x = 2,430.70 × 1,714.30
  4. Step 4: Simplify right side
    1,761.54x = 4,166,949.01
  5. Step 5: Solve for x
    x = 4,166,949.01/1,761.54
  6. Step 6: Final answer
    x = 2,365.51

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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.