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Finding the Fourth Proportional to 1,925.54, 2,888.33 and 464.70

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Solution

The fourth proportional to 1,925.54, 2,888.33 and 464.70 is: 697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.54 : 2,888.33 = 464.70 : x
  2. Step 2: Convert to fraction form
    1,925.54/2,888.33 = 464.70/x
  3. Step 3: Cross multiply
    1,925.54x = 2,888.33 × 464.70
  4. Step 4: Simplify right side
    1,925.54x = 1,342,215.46
  5. Step 5: Solve for x
    x = 1,342,215.46/1,925.54
  6. Step 6: Final answer
    x = 697.06

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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.