Home / 1,547.06-2,134.20-1,015.74

Finding the Fourth Proportional to 1,547.06, 2,134.20 and 1,015.74

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Solution

The fourth proportional to 1,547.06, 2,134.20 and 1,015.74 is: 1,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.06 : 2,134.20 = 1,015.74 : x
  2. Step 2: Convert to fraction form
    1,547.06/2,134.20 = 1,015.74/x
  3. Step 3: Cross multiply
    1,547.06x = 2,134.20 × 1,015.74
  4. Step 4: Simplify right side
    1,547.06x = 2,167,776.56
  5. Step 5: Solve for x
    x = 2,167,776.56/1,547.06
  6. Step 6: Final answer
    x = 1,401.22

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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.