Home / 1,547.36-2,317.20-1,082.97

Finding the Fourth Proportional to 1,547.36, 2,317.20 and 1,082.97

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Solution

The fourth proportional to 1,547.36, 2,317.20 and 1,082.97 is: 1,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.36 : 2,317.20 = 1,082.97 : x
  2. Step 2: Convert to fraction form
    1,547.36/2,317.20 = 1,082.97/x
  3. Step 3: Cross multiply
    1,547.36x = 2,317.20 × 1,082.97
  4. Step 4: Simplify right side
    1,547.36x = 2,509,460.11
  5. Step 5: Solve for x
    x = 2,509,460.11/1,547.36
  6. Step 6: Final answer
    x = 1,621.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.