Home / 1,724.23-2,585.54-554.02

Finding the Fourth Proportional to 1,724.23, 2,585.54 and 554.02

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Solution

The fourth proportional to 1,724.23, 2,585.54 and 554.02 is: 830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.23 : 2,585.54 = 554.02 : x
  2. Step 2: Convert to fraction form
    1,724.23/2,585.54 = 554.02/x
  3. Step 3: Cross multiply
    1,724.23x = 2,585.54 × 554.02
  4. Step 4: Simplify right side
    1,724.23x = 1,432,440.87
  5. Step 5: Solve for x
    x = 1,432,440.87/1,724.23
  6. Step 6: Final answer
    x = 830.77

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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.