Home / 1,416.60-2,126.79-1,400.13

Finding the Fourth Proportional to 1,416.60, 2,126.79 and 1,400.13

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Solution

The fourth proportional to 1,416.60, 2,126.79 and 1,400.13 is: 2,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.60 : 2,126.79 = 1,400.13 : x
  2. Step 2: Convert to fraction form
    1,416.60/2,126.79 = 1,400.13/x
  3. Step 3: Cross multiply
    1,416.60x = 2,126.79 × 1,400.13
  4. Step 4: Simplify right side
    1,416.60x = 2,977,782.48
  5. Step 5: Solve for x
    x = 2,977,782.48/1,416.60
  6. Step 6: Final answer
    x = 2,102.06

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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.