Home / 1,577.48-2,362.08-1,112.76

Finding the Fourth Proportional to 1,577.48, 2,362.08 and 1,112.76

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Solution

The fourth proportional to 1,577.48, 2,362.08 and 1,112.76 is: 1,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.48 : 2,362.08 = 1,112.76 : x
  2. Step 2: Convert to fraction form
    1,577.48/2,362.08 = 1,112.76/x
  3. Step 3: Cross multiply
    1,577.48x = 2,362.08 × 1,112.76
  4. Step 4: Simplify right side
    1,577.48x = 2,628,428.14
  5. Step 5: Solve for x
    x = 2,628,428.14/1,577.48
  6. Step 6: Final answer
    x = 1,666.22

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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.