Home / 2,417.67-3,336.66-1,355.60

Finding the Fourth Proportional to 2,417.67, 3,336.66 and 1,355.60

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Solution

The fourth proportional to 2,417.67, 3,336.66 and 1,355.60 is: 1,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.67 : 3,336.66 = 1,355.60 : x
  2. Step 2: Convert to fraction form
    2,417.67/3,336.66 = 1,355.60/x
  3. Step 3: Cross multiply
    2,417.67x = 3,336.66 × 1,355.60
  4. Step 4: Simplify right side
    2,417.67x = 4,523,184.64
  5. Step 5: Solve for x
    x = 4,523,184.64/2,417.67
  6. Step 6: Final answer
    x = 1,870.89

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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.