Home / 3,075.40-4,246.86-2,240.92

Finding the Fourth Proportional to 3,075.40, 4,246.86 and 2,240.92

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Solution

The fourth proportional to 3,075.40, 4,246.86 and 2,240.92 is: 3,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.40 : 4,246.86 = 2,240.92 : x
  2. Step 2: Convert to fraction form
    3,075.40/4,246.86 = 2,240.92/x
  3. Step 3: Cross multiply
    3,075.40x = 4,246.86 × 2,240.92
  4. Step 4: Simplify right side
    3,075.40x = 9,516,873.51
  5. Step 5: Solve for x
    x = 9,516,873.51/3,075.40
  6. Step 6: Final answer
    x = 3,094.52

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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.