Home / 1,574.11-2,362.07-1,489.66

Finding the Fourth Proportional to 1,574.11, 2,362.07 and 1,489.66

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Solution

The fourth proportional to 1,574.11, 2,362.07 and 1,489.66 is: 2,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.11 : 2,362.07 = 1,489.66 : x
  2. Step 2: Convert to fraction form
    1,574.11/2,362.07 = 1,489.66/x
  3. Step 3: Cross multiply
    1,574.11x = 2,362.07 × 1,489.66
  4. Step 4: Simplify right side
    1,574.11x = 3,518,681.20
  5. Step 5: Solve for x
    x = 3,518,681.20/1,574.11
  6. Step 6: Final answer
    x = 2,235.35

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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.