Home / 1,968.51-2,714.01-1,613.13

Finding the Fourth Proportional to 1,968.51, 2,714.01 and 1,613.13

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Solution

The fourth proportional to 1,968.51, 2,714.01 and 1,613.13 is: 2,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.51 : 2,714.01 = 1,613.13 : x
  2. Step 2: Convert to fraction form
    1,968.51/2,714.01 = 1,613.13/x
  3. Step 3: Cross multiply
    1,968.51x = 2,714.01 × 1,613.13
  4. Step 4: Simplify right side
    1,968.51x = 4,378,050.95
  5. Step 5: Solve for x
    x = 4,378,050.95/1,968.51
  6. Step 6: Final answer
    x = 2,224.04

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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.