Home / 2,427.51-3,349.40-1,763.21

Finding the Fourth Proportional to 2,427.51, 3,349.40 and 1,763.21

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Solution

The fourth proportional to 2,427.51, 3,349.40 and 1,763.21 is: 2,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.51 : 3,349.40 = 1,763.21 : x
  2. Step 2: Convert to fraction form
    2,427.51/3,349.40 = 1,763.21/x
  3. Step 3: Cross multiply
    2,427.51x = 3,349.40 × 1,763.21
  4. Step 4: Simplify right side
    2,427.51x = 5,905,695.57
  5. Step 5: Solve for x
    x = 5,905,695.57/2,427.51
  6. Step 6: Final answer
    x = 2,432.82

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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.