Home / 1,326.93-1,831.16-802.95

Finding the Fourth Proportional to 1,326.93, 1,831.16 and 802.95

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Solution

The fourth proportional to 1,326.93, 1,831.16 and 802.95 is: 1,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.93 : 1,831.16 = 802.95 : x
  2. Step 2: Convert to fraction form
    1,326.93/1,831.16 = 802.95/x
  3. Step 3: Cross multiply
    1,326.93x = 1,831.16 × 802.95
  4. Step 4: Simplify right side
    1,326.93x = 1,470,325.91
  5. Step 5: Solve for x
    x = 1,470,325.91/1,326.93
  6. Step 6: Final answer
    x = 1,108.07

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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.