Home / 2,348.94-3,240.60-1,640.58

Finding the Fourth Proportional to 2,348.94, 3,240.60 and 1,640.58

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Solution

The fourth proportional to 2,348.94, 3,240.60 and 1,640.58 is: 2,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.94 : 3,240.60 = 1,640.58 : x
  2. Step 2: Convert to fraction form
    2,348.94/3,240.60 = 1,640.58/x
  3. Step 3: Cross multiply
    2,348.94x = 3,240.60 × 1,640.58
  4. Step 4: Simplify right side
    2,348.94x = 5,316,463.55
  5. Step 5: Solve for x
    x = 5,316,463.55/2,348.94
  6. Step 6: Final answer
    x = 2,263.35

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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.