Home / 1,831.09-2,526.91-1,045.60

Finding the Fourth Proportional to 1,831.09, 2,526.91 and 1,045.60

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Solution

The fourth proportional to 1,831.09, 2,526.91 and 1,045.60 is: 1,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.09 : 2,526.91 = 1,045.60 : x
  2. Step 2: Convert to fraction form
    1,831.09/2,526.91 = 1,045.60/x
  3. Step 3: Cross multiply
    1,831.09x = 2,526.91 × 1,045.60
  4. Step 4: Simplify right side
    1,831.09x = 2,642,137.10
  5. Step 5: Solve for x
    x = 2,642,137.10/1,831.09
  6. Step 6: Final answer
    x = 1,442.93

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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.