Home / 2,955.04-4,431.20-1,006.72

Finding the Fourth Proportional to 2,955.04, 4,431.20 and 1,006.72

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Solution

The fourth proportional to 2,955.04, 4,431.20 and 1,006.72 is: 1,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.04 : 4,431.20 = 1,006.72 : x
  2. Step 2: Convert to fraction form
    2,955.04/4,431.20 = 1,006.72/x
  3. Step 3: Cross multiply
    2,955.04x = 4,431.20 × 1,006.72
  4. Step 4: Simplify right side
    2,955.04x = 4,460,977.66
  5. Step 5: Solve for x
    x = 4,460,977.66/2,955.04
  6. Step 6: Final answer
    x = 1,509.62

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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.