Home / 2,045.53-2,821.79-1,337.79

Finding the Fourth Proportional to 2,045.53, 2,821.79 and 1,337.79

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Solution

The fourth proportional to 2,045.53, 2,821.79 and 1,337.79 is: 1,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.53 : 2,821.79 = 1,337.79 : x
  2. Step 2: Convert to fraction form
    2,045.53/2,821.79 = 1,337.79/x
  3. Step 3: Cross multiply
    2,045.53x = 2,821.79 × 1,337.79
  4. Step 4: Simplify right side
    2,045.53x = 3,774,962.44
  5. Step 5: Solve for x
    x = 3,774,962.44/2,045.53
  6. Step 6: Final answer
    x = 1,845.47

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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.