Home / 1,831.18-2,525.40-1,437.52

Finding the Fourth Proportional to 1,831.18, 2,525.40 and 1,437.52

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Solution

The fourth proportional to 1,831.18, 2,525.40 and 1,437.52 is: 1,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.18 : 2,525.40 = 1,437.52 : x
  2. Step 2: Convert to fraction form
    1,831.18/2,525.40 = 1,437.52/x
  3. Step 3: Cross multiply
    1,831.18x = 2,525.40 × 1,437.52
  4. Step 4: Simplify right side
    1,831.18x = 3,630,313.01
  5. Step 5: Solve for x
    x = 3,630,313.01/1,831.18
  6. Step 6: Final answer
    x = 1,982.50

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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.