Home / 1,577.06-2,362.68-1,055.90

Finding the Fourth Proportional to 1,577.06, 2,362.68 and 1,055.90

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Solution

The fourth proportional to 1,577.06, 2,362.68 and 1,055.90 is: 1,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.06 : 2,362.68 = 1,055.90 : x
  2. Step 2: Convert to fraction form
    1,577.06/2,362.68 = 1,055.90/x
  3. Step 3: Cross multiply
    1,577.06x = 2,362.68 × 1,055.90
  4. Step 4: Simplify right side
    1,577.06x = 2,494,753.81
  5. Step 5: Solve for x
    x = 2,494,753.81/1,577.06
  6. Step 6: Final answer
    x = 1,581.90

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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.