Home / 2,417.67-3,336.30-1,369.71

Finding the Fourth Proportional to 2,417.67, 3,336.30 and 1,369.71

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Solution

The fourth proportional to 2,417.67, 3,336.30 and 1,369.71 is: 1,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.67 : 3,336.30 = 1,369.71 : x
  2. Step 2: Convert to fraction form
    2,417.67/3,336.30 = 1,369.71/x
  3. Step 3: Cross multiply
    2,417.67x = 3,336.30 × 1,369.71
  4. Step 4: Simplify right side
    2,417.67x = 4,569,763.47
  5. Step 5: Solve for x
    x = 4,569,763.47/2,417.67
  6. Step 6: Final answer
    x = 1,890.15

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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.