Home / 3,590.16-5,385.14-1,126.12

Finding the Fourth Proportional to 3,590.16, 5,385.14 and 1,126.12

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Solution

The fourth proportional to 3,590.16, 5,385.14 and 1,126.12 is: 1,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.16 : 5,385.14 = 1,126.12 : x
  2. Step 2: Convert to fraction form
    3,590.16/5,385.14 = 1,126.12/x
  3. Step 3: Cross multiply
    3,590.16x = 5,385.14 × 1,126.12
  4. Step 4: Simplify right side
    3,590.16x = 6,064,313.86
  5. Step 5: Solve for x
    x = 6,064,313.86/3,590.16
  6. Step 6: Final answer
    x = 1,689.15

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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.