Home / 1,574.12-2,362.55-1,087.52

Finding the Fourth Proportional to 1,574.12, 2,362.55 and 1,087.52

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Solution

The fourth proportional to 1,574.12, 2,362.55 and 1,087.52 is: 1,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.12 : 2,362.55 = 1,087.52 : x
  2. Step 2: Convert to fraction form
    1,574.12/2,362.55 = 1,087.52/x
  3. Step 3: Cross multiply
    1,574.12x = 2,362.55 × 1,087.52
  4. Step 4: Simplify right side
    1,574.12x = 2,569,303.13
  5. Step 5: Solve for x
    x = 2,569,303.13/1,574.12
  6. Step 6: Final answer
    x = 1,632.22

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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.