Home / 3,088.90-4,261.63-1,761.65

Finding the Fourth Proportional to 3,088.90, 4,261.63 and 1,761.65

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Solution

The fourth proportional to 3,088.90, 4,261.63 and 1,761.65 is: 2,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.90 : 4,261.63 = 1,761.65 : x
  2. Step 2: Convert to fraction form
    3,088.90/4,261.63 = 1,761.65/x
  3. Step 3: Cross multiply
    3,088.90x = 4,261.63 × 1,761.65
  4. Step 4: Simplify right side
    3,088.90x = 7,507,494.06
  5. Step 5: Solve for x
    x = 7,507,494.06/3,088.90
  6. Step 6: Final answer
    x = 2,430.47

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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.