Home / 3,075.87-4,615.20-1,432.92

Finding the Fourth Proportional to 3,075.87, 4,615.20 and 1,432.92

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Solution

The fourth proportional to 3,075.87, 4,615.20 and 1,432.92 is: 2,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.87 : 4,615.20 = 1,432.92 : x
  2. Step 2: Convert to fraction form
    3,075.87/4,615.20 = 1,432.92/x
  3. Step 3: Cross multiply
    3,075.87x = 4,615.20 × 1,432.92
  4. Step 4: Simplify right side
    3,075.87x = 6,613,212.38
  5. Step 5: Solve for x
    x = 6,613,212.38/3,075.87
  6. Step 6: Final answer
    x = 2,150.03

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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.