Home / 3,459.72-4,774.37-1,887.72

Finding the Fourth Proportional to 3,459.72, 4,774.37 and 1,887.72

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Solution

The fourth proportional to 3,459.72, 4,774.37 and 1,887.72 is: 2,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.72 : 4,774.37 = 1,887.72 : x
  2. Step 2: Convert to fraction form
    3,459.72/4,774.37 = 1,887.72/x
  3. Step 3: Cross multiply
    3,459.72x = 4,774.37 × 1,887.72
  4. Step 4: Simplify right side
    3,459.72x = 9,012,673.74
  5. Step 5: Solve for x
    x = 9,012,673.74/3,459.72
  6. Step 6: Final answer
    x = 2,605.03

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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.