Home / 1,547.37-2,137.17-1,049.13

Finding the Fourth Proportional to 1,547.37, 2,137.17 and 1,049.13

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Solution

The fourth proportional to 1,547.37, 2,137.17 and 1,049.13 is: 1,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.37 : 2,137.17 = 1,049.13 : x
  2. Step 2: Convert to fraction form
    1,547.37/2,137.17 = 1,049.13/x
  3. Step 3: Cross multiply
    1,547.37x = 2,137.17 × 1,049.13
  4. Step 4: Simplify right side
    1,547.37x = 2,242,169.16
  5. Step 5: Solve for x
    x = 2,242,169.16/1,547.37
  6. Step 6: Final answer
    x = 1,449.02

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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.