Home / 3,051.13-4,210.56-1,809.13

Finding the Fourth Proportional to 3,051.13, 4,210.56 and 1,809.13

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Solution

The fourth proportional to 3,051.13, 4,210.56 and 1,809.13 is: 2,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.13 : 4,210.56 = 1,809.13 : x
  2. Step 2: Convert to fraction form
    3,051.13/4,210.56 = 1,809.13/x
  3. Step 3: Cross multiply
    3,051.13x = 4,210.56 × 1,809.13
  4. Step 4: Simplify right side
    3,051.13x = 7,617,450.41
  5. Step 5: Solve for x
    x = 7,617,450.41/3,051.13
  6. Step 6: Final answer
    x = 2,496.60

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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.