Home / 1,592.06-2,190.24-1,555.20

Finding the Fourth Proportional to 1,592.06, 2,190.24 and 1,555.20

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Solution

The fourth proportional to 1,592.06, 2,190.24 and 1,555.20 is: 2,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.06 : 2,190.24 = 1,555.20 : x
  2. Step 2: Convert to fraction form
    1,592.06/2,190.24 = 1,555.20/x
  3. Step 3: Cross multiply
    1,592.06x = 2,190.24 × 1,555.20
  4. Step 4: Simplify right side
    1,592.06x = 3,406,261.25
  5. Step 5: Solve for x
    x = 3,406,261.25/1,592.06
  6. Step 6: Final answer
    x = 2,139.54

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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.