Home / 1,614.36-2,421.72-460.14

Finding the Fourth Proportional to 1,614.36, 2,421.72 and 460.14

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Solution

The fourth proportional to 1,614.36, 2,421.72 and 460.14 is: 690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.36 : 2,421.72 = 460.14 : x
  2. Step 2: Convert to fraction form
    1,614.36/2,421.72 = 460.14/x
  3. Step 3: Cross multiply
    1,614.36x = 2,421.72 × 460.14
  4. Step 4: Simplify right side
    1,614.36x = 1,114,330.24
  5. Step 5: Solve for x
    x = 1,114,330.24/1,614.36
  6. Step 6: Final answer
    x = 690.26

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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.