Home / 3,590.58-5,386.68-1,125.66

Finding the Fourth Proportional to 3,590.58, 5,386.68 and 1,125.66

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Solution

The fourth proportional to 3,590.58, 5,386.68 and 1,125.66 is: 1,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.58 : 5,386.68 = 1,125.66 : x
  2. Step 2: Convert to fraction form
    3,590.58/5,386.68 = 1,125.66/x
  3. Step 3: Cross multiply
    3,590.58x = 5,386.68 × 1,125.66
  4. Step 4: Simplify right side
    3,590.58x = 6,063,570.21
  5. Step 5: Solve for x
    x = 6,063,570.21/3,590.58
  6. Step 6: Final answer
    x = 1,688.74

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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.