Home / 1,845.75-2,547.15-1,147.14

Finding the Fourth Proportional to 1,845.75, 2,547.15 and 1,147.14

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Solution

The fourth proportional to 1,845.75, 2,547.15 and 1,147.14 is: 1,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.75 : 2,547.15 = 1,147.14 : x
  2. Step 2: Convert to fraction form
    1,845.75/2,547.15 = 1,147.14/x
  3. Step 3: Cross multiply
    1,845.75x = 2,547.15 × 1,147.14
  4. Step 4: Simplify right side
    1,845.75x = 2,921,937.65
  5. Step 5: Solve for x
    x = 2,921,937.65/1,845.75
  6. Step 6: Final answer
    x = 1,583.06

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1.5x scale

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.