Home / 2,385.49-3,572.58-1,890.31

Finding the Fourth Proportional to 2,385.49, 3,572.58 and 1,890.31

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Solution

The fourth proportional to 2,385.49, 3,572.58 and 1,890.31 is: 2,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.49 : 3,572.58 = 1,890.31 : x
  2. Step 2: Convert to fraction form
    2,385.49/3,572.58 = 1,890.31/x
  3. Step 3: Cross multiply
    2,385.49x = 3,572.58 × 1,890.31
  4. Step 4: Simplify right side
    2,385.49x = 6,753,279.62
  5. Step 5: Solve for x
    x = 6,753,279.62/2,385.49
  6. Step 6: Final answer
    x = 2,830.98

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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.