Home / 1,211.04-1,814.93-626.01

Finding the Fourth Proportional to 1,211.04, 1,814.93 and 626.01

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Solution

The fourth proportional to 1,211.04, 1,814.93 and 626.01 is: 938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211.04 : 1,814.93 = 626.01 : x
  2. Step 2: Convert to fraction form
    1,211.04/1,814.93 = 626.01/x
  3. Step 3: Cross multiply
    1,211.04x = 1,814.93 × 626.01
  4. Step 4: Simplify right side
    1,211.04x = 1,136,161.20
  5. Step 5: Solve for x
    x = 1,136,161.20/1,211.04
  6. Step 6: Final answer
    x = 938.17

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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.