Home / 3,134.40-4,322.80-3,095.52

Finding the Fourth Proportional to 3,134.40, 4,322.80 and 3,095.52

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Solution

The fourth proportional to 3,134.40, 4,322.80 and 3,095.52 is: 4,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.40 : 4,322.80 = 3,095.52 : x
  2. Step 2: Convert to fraction form
    3,134.40/4,322.80 = 3,095.52/x
  3. Step 3: Cross multiply
    3,134.40x = 4,322.80 × 3,095.52
  4. Step 4: Simplify right side
    3,134.40x = 13,381,313.86
  5. Step 5: Solve for x
    x = 13,381,313.86/3,134.40
  6. Step 6: Final answer
    x = 4,269.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.