Home / 1,417.53-2,126.32-540.04

Finding the Fourth Proportional to 1,417.53, 2,126.32 and 540.04

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Solution

The fourth proportional to 1,417.53, 2,126.32 and 540.04 is: 810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.53 : 2,126.32 = 540.04 : x
  2. Step 2: Convert to fraction form
    1,417.53/2,126.32 = 540.04/x
  3. Step 3: Cross multiply
    1,417.53x = 2,126.32 × 540.04
  4. Step 4: Simplify right side
    1,417.53x = 1,148,297.85
  5. Step 5: Solve for x
    x = 1,148,297.85/1,417.53
  6. Step 6: Final answer
    x = 810.07

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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.