Home / 1,606.50-2,215.45-1,047.40

Finding the Fourth Proportional to 1,606.50, 2,215.45 and 1,047.40

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Solution

The fourth proportional to 1,606.50, 2,215.45 and 1,047.40 is: 1,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.50 : 2,215.45 = 1,047.40 : x
  2. Step 2: Convert to fraction form
    1,606.50/2,215.45 = 1,047.40/x
  3. Step 3: Cross multiply
    1,606.50x = 2,215.45 × 1,047.40
  4. Step 4: Simplify right side
    1,606.50x = 2,320,458.10
  5. Step 5: Solve for x
    x = 2,320,458.10/1,606.50
  6. Step 6: Final answer
    x = 1,444.42

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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.