Home / 2,585.68-3,569.34-1,538.08

Finding the Fourth Proportional to 2,585.68, 3,569.34 and 1,538.08

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Solution

The fourth proportional to 2,585.68, 3,569.34 and 1,538.08 is: 2,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.68 : 3,569.34 = 1,538.08 : x
  2. Step 2: Convert to fraction form
    2,585.68/3,569.34 = 1,538.08/x
  3. Step 3: Cross multiply
    2,585.68x = 3,569.34 × 1,538.08
  4. Step 4: Simplify right side
    2,585.68x = 5,489,930.47
  5. Step 5: Solve for x
    x = 5,489,930.47/2,585.68
  6. Step 6: Final answer
    x = 2,123.21

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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.