Home / 3,590.73-5,385.96-1,125.63

Finding the Fourth Proportional to 3,590.73, 5,385.96 and 1,125.63

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Solution

The fourth proportional to 3,590.73, 5,385.96 and 1,125.63 is: 1,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.73 : 5,385.96 = 1,125.63 : x
  2. Step 2: Convert to fraction form
    3,590.73/5,385.96 = 1,125.63/x
  3. Step 3: Cross multiply
    3,590.73x = 5,385.96 × 1,125.63
  4. Step 4: Simplify right side
    3,590.73x = 6,062,598.15
  5. Step 5: Solve for x
    x = 6,062,598.15/3,590.73
  6. Step 6: Final answer
    x = 1,688.40

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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.