Home / 1,547.09-2,316.26-1,401.12

Finding the Fourth Proportional to 1,547.09, 2,316.26 and 1,401.12

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Solution

The fourth proportional to 1,547.09, 2,316.26 and 1,401.12 is: 2,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.09 : 2,316.26 = 1,401.12 : x
  2. Step 2: Convert to fraction form
    1,547.09/2,316.26 = 1,401.12/x
  3. Step 3: Cross multiply
    1,547.09x = 2,316.26 × 1,401.12
  4. Step 4: Simplify right side
    1,547.09x = 3,245,361.71
  5. Step 5: Solve for x
    x = 3,245,361.71/1,547.09
  6. Step 6: Final answer
    x = 2,097.72

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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.