Home / 2,407.02-3,321.30-1,412.16

Finding the Fourth Proportional to 2,407.02, 3,321.30 and 1,412.16

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Solution

The fourth proportional to 2,407.02, 3,321.30 and 1,412.16 is: 1,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.02 : 3,321.30 = 1,412.16 : x
  2. Step 2: Convert to fraction form
    2,407.02/3,321.30 = 1,412.16/x
  3. Step 3: Cross multiply
    2,407.02x = 3,321.30 × 1,412.16
  4. Step 4: Simplify right side
    2,407.02x = 4,690,207.01
  5. Step 5: Solve for x
    x = 4,690,207.01/2,407.02
  6. Step 6: Final answer
    x = 1,948.55

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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.