Home / 2,126.32-2,933.13-1,330.18

Finding the Fourth Proportional to 2,126.32, 2,933.13 and 1,330.18

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Solution

The fourth proportional to 2,126.32, 2,933.13 and 1,330.18 is: 1,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.32 : 2,933.13 = 1,330.18 : x
  2. Step 2: Convert to fraction form
    2,126.32/2,933.13 = 1,330.18/x
  3. Step 3: Cross multiply
    2,126.32x = 2,933.13 × 1,330.18
  4. Step 4: Simplify right side
    2,126.32x = 3,901,590.86
  5. Step 5: Solve for x
    x = 3,901,590.86/2,126.32
  6. Step 6: Final answer
    x = 1,834.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.