Home / 1,473.81-2,034.70-977.13

Finding the Fourth Proportional to 1,473.81, 2,034.70 and 977.13

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Solution

The fourth proportional to 1,473.81, 2,034.70 and 977.13 is: 1,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.81 : 2,034.70 = 977.13 : x
  2. Step 2: Convert to fraction form
    1,473.81/2,034.70 = 977.13/x
  3. Step 3: Cross multiply
    1,473.81x = 2,034.70 × 977.13
  4. Step 4: Simplify right side
    1,473.81x = 1,988,160.88
  5. Step 5: Solve for x
    x = 1,988,160.88/1,473.81
  6. Step 6: Final answer
    x = 1,348.99

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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.