Home / 1,549.42-2,122.11-1,510.54

Finding the Fourth Proportional to 1,549.42, 2,122.11 and 1,510.54

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Solution

The fourth proportional to 1,549.42, 2,122.11 and 1,510.54 is: 2,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.42 : 2,122.11 = 1,510.54 : x
  2. Step 2: Convert to fraction form
    1,549.42/2,122.11 = 1,510.54/x
  3. Step 3: Cross multiply
    1,549.42x = 2,122.11 × 1,510.54
  4. Step 4: Simplify right side
    1,549.42x = 3,205,532.04
  5. Step 5: Solve for x
    x = 3,205,532.04/1,549.42
  6. Step 6: Final answer
    x = 2,068.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.