Home / 1,475.47-2,036.25-977.26

Finding the Fourth Proportional to 1,475.47, 2,036.25 and 977.26

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Solution

The fourth proportional to 1,475.47, 2,036.25 and 977.26 is: 1,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.47 : 2,036.25 = 977.26 : x
  2. Step 2: Convert to fraction form
    1,475.47/2,036.25 = 977.26/x
  3. Step 3: Cross multiply
    1,475.47x = 2,036.25 × 977.26
  4. Step 4: Simplify right side
    1,475.47x = 1,989,945.68
  5. Step 5: Solve for x
    x = 1,989,945.68/1,475.47
  6. Step 6: Final answer
    x = 1,348.69

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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.