Home / 1,417.25-1,955.28-1,045.13

Finding the Fourth Proportional to 1,417.25, 1,955.28 and 1,045.13

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Solution

The fourth proportional to 1,417.25, 1,955.28 and 1,045.13 is: 1,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.25 : 1,955.28 = 1,045.13 : x
  2. Step 2: Convert to fraction form
    1,417.25/1,955.28 = 1,045.13/x
  3. Step 3: Cross multiply
    1,417.25x = 1,955.28 × 1,045.13
  4. Step 4: Simplify right side
    1,417.25x = 2,043,512.01
  5. Step 5: Solve for x
    x = 2,043,512.01/1,417.25
  6. Step 6: Final answer
    x = 1,441.88

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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.