Home / 2,920.59-4,372.38-1,530.63

Finding the Fourth Proportional to 2,920.59, 4,372.38 and 1,530.63

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Solution

The fourth proportional to 2,920.59, 4,372.38 and 1,530.63 is: 2,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.59 : 4,372.38 = 1,530.63 : x
  2. Step 2: Convert to fraction form
    2,920.59/4,372.38 = 1,530.63/x
  3. Step 3: Cross multiply
    2,920.59x = 4,372.38 × 1,530.63
  4. Step 4: Simplify right side
    2,920.59x = 6,692,496.00
  5. Step 5: Solve for x
    x = 6,692,496.00/2,920.59
  6. Step 6: Final answer
    x = 2,291.49

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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.