Home / 1,370.49-2,043.56-1,264.11

Finding the Fourth Proportional to 1,370.49, 2,043.56 and 1,264.11

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Solution

The fourth proportional to 1,370.49, 2,043.56 and 1,264.11 is: 1,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.49 : 2,043.56 = 1,264.11 : x
  2. Step 2: Convert to fraction form
    1,370.49/2,043.56 = 1,264.11/x
  3. Step 3: Cross multiply
    1,370.49x = 2,043.56 × 1,264.11
  4. Step 4: Simplify right side
    1,370.49x = 2,583,278.31
  5. Step 5: Solve for x
    x = 2,583,278.31/1,370.49
  6. Step 6: Final answer
    x = 1,884.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.