Home / 3,153.08-4,727.84-1,302.68

Finding the Fourth Proportional to 3,153.08, 4,727.84 and 1,302.68

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Solution

The fourth proportional to 3,153.08, 4,727.84 and 1,302.68 is: 1,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.08 : 4,727.84 = 1,302.68 : x
  2. Step 2: Convert to fraction form
    3,153.08/4,727.84 = 1,302.68/x
  3. Step 3: Cross multiply
    3,153.08x = 4,727.84 × 1,302.68
  4. Step 4: Simplify right side
    3,153.08x = 6,158,832.46
  5. Step 5: Solve for x
    x = 6,158,832.46/3,153.08
  6. Step 6: Final answer
    x = 1,953.28

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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.