Home / 2,530.37-3,490.40-1,969.95

Finding the Fourth Proportional to 2,530.37, 3,490.40 and 1,969.95

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Solution

The fourth proportional to 2,530.37, 3,490.40 and 1,969.95 is: 2,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.37 : 3,490.40 = 1,969.95 : x
  2. Step 2: Convert to fraction form
    2,530.37/3,490.40 = 1,969.95/x
  3. Step 3: Cross multiply
    2,530.37x = 3,490.40 × 1,969.95
  4. Step 4: Simplify right side
    2,530.37x = 6,875,913.48
  5. Step 5: Solve for x
    x = 6,875,913.48/2,530.37
  6. Step 6: Final answer
    x = 2,717.35

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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.