Home / 1,621.73-2,430.29-1,250.13

Finding the Fourth Proportional to 1,621.73, 2,430.29 and 1,250.13

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Solution

The fourth proportional to 1,621.73, 2,430.29 and 1,250.13 is: 1,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.73 : 2,430.29 = 1,250.13 : x
  2. Step 2: Convert to fraction form
    1,621.73/2,430.29 = 1,250.13/x
  3. Step 3: Cross multiply
    1,621.73x = 2,430.29 × 1,250.13
  4. Step 4: Simplify right side
    1,621.73x = 3,038,160.04
  5. Step 5: Solve for x
    x = 3,038,160.04/1,621.73
  6. Step 6: Final answer
    x = 1,873.41

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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.