Home / 1,765.26-2,635.56-1,590.30

Finding the Fourth Proportional to 1,765.26, 2,635.56 and 1,590.30

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Solution

The fourth proportional to 1,765.26, 2,635.56 and 1,590.30 is: 2,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.26 : 2,635.56 = 1,590.30 : x
  2. Step 2: Convert to fraction form
    1,765.26/2,635.56 = 1,590.30/x
  3. Step 3: Cross multiply
    1,765.26x = 2,635.56 × 1,590.30
  4. Step 4: Simplify right side
    1,765.26x = 4,191,331.07
  5. Step 5: Solve for x
    x = 4,191,331.07/1,765.26
  6. Step 6: Final answer
    x = 2,374.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.