Home / 2,490.40-3,434.56-1,495.32

Finding the Fourth Proportional to 2,490.40, 3,434.56 and 1,495.32

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Solution

The fourth proportional to 2,490.40, 3,434.56 and 1,495.32 is: 2,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.40 : 3,434.56 = 1,495.32 : x
  2. Step 2: Convert to fraction form
    2,490.40/3,434.56 = 1,495.32/x
  3. Step 3: Cross multiply
    2,490.40x = 3,434.56 × 1,495.32
  4. Step 4: Simplify right side
    2,490.40x = 5,135,766.26
  5. Step 5: Solve for x
    x = 5,135,766.26/2,490.40
  6. Step 6: Final answer
    x = 2,062.23

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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.