Home / 3,774.77-5,205.98-2,430.60

Finding the Fourth Proportional to 3,774.77, 5,205.98 and 2,430.60

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Solution

The fourth proportional to 3,774.77, 5,205.98 and 2,430.60 is: 3,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.77 : 5,205.98 = 2,430.60 : x
  2. Step 2: Convert to fraction form
    3,774.77/5,205.98 = 2,430.60/x
  3. Step 3: Cross multiply
    3,774.77x = 5,205.98 × 2,430.60
  4. Step 4: Simplify right side
    3,774.77x = 12,653,642.84
  5. Step 5: Solve for x
    x = 12,653,642.84/3,774.77
  6. Step 6: Final answer
    x = 3,352.17

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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.