Home / 1,831.86-2,528.00-1,045.91

Finding the Fourth Proportional to 1,831.86, 2,528.00 and 1,045.91

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Solution

The fourth proportional to 1,831.86, 2,528.00 and 1,045.91 is: 1,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.86 : 2,528.00 = 1,045.91 : x
  2. Step 2: Convert to fraction form
    1,831.86/2,528.00 = 1,045.91/x
  3. Step 3: Cross multiply
    1,831.86x = 2,528.00 × 1,045.91
  4. Step 4: Simplify right side
    1,831.86x = 2,644,065.49
  5. Step 5: Solve for x
    x = 2,644,065.49/1,831.86
  6. Step 6: Final answer
    x = 1,443.38

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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.