Home / 1,411.45-2,117.08-1,136.05

Finding the Fourth Proportional to 1,411.45, 2,117.08 and 1,136.05

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Solution

The fourth proportional to 1,411.45, 2,117.08 and 1,136.05 is: 1,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.45 : 2,117.08 = 1,136.05 : x
  2. Step 2: Convert to fraction form
    1,411.45/2,117.08 = 1,136.05/x
  3. Step 3: Cross multiply
    1,411.45x = 2,117.08 × 1,136.05
  4. Step 4: Simplify right side
    1,411.45x = 2,405,108.73
  5. Step 5: Solve for x
    x = 2,405,108.73/1,411.45
  6. Step 6: Final answer
    x = 1,704.00

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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.