Home / 1,846.19-2,547.65-1,218.04

Finding the Fourth Proportional to 1,846.19, 2,547.65 and 1,218.04

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Solution

The fourth proportional to 1,846.19, 2,547.65 and 1,218.04 is: 1,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.19 : 2,547.65 = 1,218.04 : x
  2. Step 2: Convert to fraction form
    1,846.19/2,547.65 = 1,218.04/x
  3. Step 3: Cross multiply
    1,846.19x = 2,547.65 × 1,218.04
  4. Step 4: Simplify right side
    1,846.19x = 3,103,136.28
  5. Step 5: Solve for x
    x = 3,103,136.28/1,846.19
  6. Step 6: Final answer
    x = 1,680.83

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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.