Home / 1,588.68-2,180.62-1,521.02

Finding the Fourth Proportional to 1,588.68, 2,180.62 and 1,521.02

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Solution

The fourth proportional to 1,588.68, 2,180.62 and 1,521.02 is: 2,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.68 : 2,180.62 = 1,521.02 : x
  2. Step 2: Convert to fraction form
    1,588.68/2,180.62 = 1,521.02/x
  3. Step 3: Cross multiply
    1,588.68x = 2,180.62 × 1,521.02
  4. Step 4: Simplify right side
    1,588.68x = 3,316,766.63
  5. Step 5: Solve for x
    x = 3,316,766.63/1,588.68
  6. Step 6: Final answer
    x = 2,087.75

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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.