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Finding the Fourth Proportional to 1,890.62, 2,835.93 and 592.19

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Solution

The fourth proportional to 1,890.62, 2,835.93 and 592.19 is: 888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.62 : 2,835.93 = 592.19 : x
  2. Step 2: Convert to fraction form
    1,890.62/2,835.93 = 592.19/x
  3. Step 3: Cross multiply
    1,890.62x = 2,835.93 × 592.19
  4. Step 4: Simplify right side
    1,890.62x = 1,679,400.82
  5. Step 5: Solve for x
    x = 1,679,400.82/1,890.62
  6. Step 6: Final answer
    x = 888.28

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1.5x scale

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.