Home / 1,685.36-2,324.48-1,096.08

Finding the Fourth Proportional to 1,685.36, 2,324.48 and 1,096.08

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Solution

The fourth proportional to 1,685.36, 2,324.48 and 1,096.08 is: 1,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.36 : 2,324.48 = 1,096.08 : x
  2. Step 2: Convert to fraction form
    1,685.36/2,324.48 = 1,096.08/x
  3. Step 3: Cross multiply
    1,685.36x = 2,324.48 × 1,096.08
  4. Step 4: Simplify right side
    1,685.36x = 2,547,810.56
  5. Step 5: Solve for x
    x = 2,547,810.56/1,685.36
  6. Step 6: Final answer
    x = 1,511.74

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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.