Home / 1,574.56-2,356.30-1,086.13

Finding the Fourth Proportional to 1,574.56, 2,356.30 and 1,086.13

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Solution

The fourth proportional to 1,574.56, 2,356.30 and 1,086.13 is: 1,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.56 : 2,356.30 = 1,086.13 : x
  2. Step 2: Convert to fraction form
    1,574.56/2,356.30 = 1,086.13/x
  3. Step 3: Cross multiply
    1,574.56x = 2,356.30 × 1,086.13
  4. Step 4: Simplify right side
    1,574.56x = 2,559,248.12
  5. Step 5: Solve for x
    x = 2,559,248.12/1,574.56
  6. Step 6: Final answer
    x = 1,625.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.