Home / 1,967.24-2,714.70-1,127.34

Finding the Fourth Proportional to 1,967.24, 2,714.70 and 1,127.34

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Solution

The fourth proportional to 1,967.24, 2,714.70 and 1,127.34 is: 1,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.24 : 2,714.70 = 1,127.34 : x
  2. Step 2: Convert to fraction form
    1,967.24/2,714.70 = 1,127.34/x
  3. Step 3: Cross multiply
    1,967.24x = 2,714.70 × 1,127.34
  4. Step 4: Simplify right side
    1,967.24x = 3,060,394.13
  5. Step 5: Solve for x
    x = 3,060,394.13/1,967.24
  6. Step 6: Final answer
    x = 1,555.68

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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.