Home / 1,410.66-2,116.53-1,021.15

Finding the Fourth Proportional to 1,410.66, 2,116.53 and 1,021.15

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Solution

The fourth proportional to 1,410.66, 2,116.53 and 1,021.15 is: 1,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.66 : 2,116.53 = 1,021.15 : x
  2. Step 2: Convert to fraction form
    1,410.66/2,116.53 = 1,021.15/x
  3. Step 3: Cross multiply
    1,410.66x = 2,116.53 × 1,021.15
  4. Step 4: Simplify right side
    1,410.66x = 2,161,294.61
  5. Step 5: Solve for x
    x = 2,161,294.61/1,410.66
  6. Step 6: Final answer
    x = 1,532.12

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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.