Home / 1,792.81-2,475.63-1,377.28

Finding the Fourth Proportional to 1,792.81, 2,475.63 and 1,377.28

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Solution

The fourth proportional to 1,792.81, 2,475.63 and 1,377.28 is: 1,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.81 : 2,475.63 = 1,377.28 : x
  2. Step 2: Convert to fraction form
    1,792.81/2,475.63 = 1,377.28/x
  3. Step 3: Cross multiply
    1,792.81x = 2,475.63 × 1,377.28
  4. Step 4: Simplify right side
    1,792.81x = 3,409,638.78
  5. Step 5: Solve for x
    x = 3,409,638.78/1,792.81
  6. Step 6: Final answer
    x = 1,901.84

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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.