Home / 1,972.40-2,957.57-585.54

Finding the Fourth Proportional to 1,972.40, 2,957.57 and 585.54

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Solution

The fourth proportional to 1,972.40, 2,957.57 and 585.54 is: 878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.40 : 2,957.57 = 585.54 : x
  2. Step 2: Convert to fraction form
    1,972.40/2,957.57 = 585.54/x
  3. Step 3: Cross multiply
    1,972.40x = 2,957.57 × 585.54
  4. Step 4: Simplify right side
    1,972.40x = 1,731,775.54
  5. Step 5: Solve for x
    x = 1,731,775.54/1,972.40
  6. Step 6: Final answer
    x = 878.00

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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.