Home / 3,153.08-4,731.78-1,615.16

Finding the Fourth Proportional to 3,153.08, 4,731.78 and 1,615.16

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Solution

The fourth proportional to 3,153.08, 4,731.78 and 1,615.16 is: 2,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.08 : 4,731.78 = 1,615.16 : x
  2. Step 2: Convert to fraction form
    3,153.08/4,731.78 = 1,615.16/x
  3. Step 3: Cross multiply
    3,153.08x = 4,731.78 × 1,615.16
  4. Step 4: Simplify right side
    3,153.08x = 7,642,581.78
  5. Step 5: Solve for x
    x = 7,642,581.78/3,153.08
  6. Step 6: Final answer
    x = 2,423.85

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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.