Home / 3,457.70-5,184.72-1,377.62

Finding the Fourth Proportional to 3,457.70, 5,184.72 and 1,377.62

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Solution

The fourth proportional to 3,457.70, 5,184.72 and 1,377.62 is: 2,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.70 : 5,184.72 = 1,377.62 : x
  2. Step 2: Convert to fraction form
    3,457.70/5,184.72 = 1,377.62/x
  3. Step 3: Cross multiply
    3,457.70x = 5,184.72 × 1,377.62
  4. Step 4: Simplify right side
    3,457.70x = 7,142,548.04
  5. Step 5: Solve for x
    x = 7,142,548.04/3,457.70
  6. Step 6: Final answer
    x = 2,065.70

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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.