Home / 1,225.94-1,839.81-577.13

Finding the Fourth Proportional to 1,225.94, 1,839.81 and 577.13

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Solution

The fourth proportional to 1,225.94, 1,839.81 and 577.13 is: 866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.94 : 1,839.81 = 577.13 : x
  2. Step 2: Convert to fraction form
    1,225.94/1,839.81 = 577.13/x
  3. Step 3: Cross multiply
    1,225.94x = 1,839.81 × 577.13
  4. Step 4: Simplify right side
    1,225.94x = 1,061,802.51
  5. Step 5: Solve for x
    x = 1,061,802.51/1,225.94
  6. Step 6: Final answer
    x = 866.12

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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.