Home / 3,117.16-4,673.58-1,384.84

Finding the Fourth Proportional to 3,117.16, 4,673.58 and 1,384.84

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Solution

The fourth proportional to 3,117.16, 4,673.58 and 1,384.84 is: 2,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.16 : 4,673.58 = 1,384.84 : x
  2. Step 2: Convert to fraction form
    3,117.16/4,673.58 = 1,384.84/x
  3. Step 3: Cross multiply
    3,117.16x = 4,673.58 × 1,384.84
  4. Step 4: Simplify right side
    3,117.16x = 6,472,160.53
  5. Step 5: Solve for x
    x = 6,472,160.53/3,117.16
  6. Step 6: Final answer
    x = 2,076.30

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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.