Home / 1,685.14-2,325.79-1,088.37

Finding the Fourth Proportional to 1,685.14, 2,325.79 and 1,088.37

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Solution

The fourth proportional to 1,685.14, 2,325.79 and 1,088.37 is: 1,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.14 : 2,325.79 = 1,088.37 : x
  2. Step 2: Convert to fraction form
    1,685.14/2,325.79 = 1,088.37/x
  3. Step 3: Cross multiply
    1,685.14x = 2,325.79 × 1,088.37
  4. Step 4: Simplify right side
    1,685.14x = 2,531,317.34
  5. Step 5: Solve for x
    x = 2,531,317.34/1,685.14
  6. Step 6: Final answer
    x = 1,502.14

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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.