Home / 3,075.60-4,639.12-2,895.92

Finding the Fourth Proportional to 3,075.60, 4,639.12 and 2,895.92

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Solution

The fourth proportional to 3,075.60, 4,639.12 and 2,895.92 is: 4,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.60 : 4,639.12 = 2,895.92 : x
  2. Step 2: Convert to fraction form
    3,075.60/4,639.12 = 2,895.92/x
  3. Step 3: Cross multiply
    3,075.60x = 4,639.12 × 2,895.92
  4. Step 4: Simplify right side
    3,075.60x = 13,434,520.39
  5. Step 5: Solve for x
    x = 13,434,520.39/3,075.60
  6. Step 6: Final answer
    x = 4,368.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.