Home / 4,145.34-5,720.70-2,377.50

Finding the Fourth Proportional to 4,145.34, 5,720.70 and 2,377.50

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Solution

The fourth proportional to 4,145.34, 5,720.70 and 2,377.50 is: 3,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.34 : 5,720.70 = 2,377.50 : x
  2. Step 2: Convert to fraction form
    4,145.34/5,720.70 = 2,377.50/x
  3. Step 3: Cross multiply
    4,145.34x = 5,720.70 × 2,377.50
  4. Step 4: Simplify right side
    4,145.34x = 13,600,964.25
  5. Step 5: Solve for x
    x = 13,600,964.25/4,145.34
  6. Step 6: Final answer
    x = 3,281.03

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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.