Home / 2,489.29-3,434.74-1,703.05

Finding the Fourth Proportional to 2,489.29, 3,434.74 and 1,703.05

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Solution

The fourth proportional to 2,489.29, 3,434.74 and 1,703.05 is: 2,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.29 : 3,434.74 = 1,703.05 : x
  2. Step 2: Convert to fraction form
    2,489.29/3,434.74 = 1,703.05/x
  3. Step 3: Cross multiply
    2,489.29x = 3,434.74 × 1,703.05
  4. Step 4: Simplify right side
    2,489.29x = 5,849,533.96
  5. Step 5: Solve for x
    x = 5,849,533.96/2,489.29
  6. Step 6: Final answer
    x = 2,349.88

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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.