Home / 3,440.03-4,747.29-1,868.13

Finding the Fourth Proportional to 3,440.03, 4,747.29 and 1,868.13

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Solution

The fourth proportional to 3,440.03, 4,747.29 and 1,868.13 is: 2,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.03 : 4,747.29 = 1,868.13 : x
  2. Step 2: Convert to fraction form
    3,440.03/4,747.29 = 1,868.13/x
  3. Step 3: Cross multiply
    3,440.03x = 4,747.29 × 1,868.13
  4. Step 4: Simplify right side
    3,440.03x = 8,868,547.86
  5. Step 5: Solve for x
    x = 8,868,547.86/3,440.03
  6. Step 6: Final answer
    x = 2,578.05

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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.