Home / 3,348.20-5,015.10-1,807.40

Finding the Fourth Proportional to 3,348.20, 5,015.10 and 1,807.40

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Solution

The fourth proportional to 3,348.20, 5,015.10 and 1,807.40 is: 2,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.20 : 5,015.10 = 1,807.40 : x
  2. Step 2: Convert to fraction form
    3,348.20/5,015.10 = 1,807.40/x
  3. Step 3: Cross multiply
    3,348.20x = 5,015.10 × 1,807.40
  4. Step 4: Simplify right side
    3,348.20x = 9,064,291.74
  5. Step 5: Solve for x
    x = 9,064,291.74/3,348.20
  6. Step 6: Final answer
    x = 2,707.21

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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.