Home / 1,808.16-2,492.20-1,740.12

Finding the Fourth Proportional to 1,808.16, 2,492.20 and 1,740.12

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Solution

The fourth proportional to 1,808.16, 2,492.20 and 1,740.12 is: 2,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.16 : 2,492.20 = 1,740.12 : x
  2. Step 2: Convert to fraction form
    1,808.16/2,492.20 = 1,740.12/x
  3. Step 3: Cross multiply
    1,808.16x = 2,492.20 × 1,740.12
  4. Step 4: Simplify right side
    1,808.16x = 4,336,727.06
  5. Step 5: Solve for x
    x = 4,336,727.06/1,808.16
  6. Step 6: Final answer
    x = 2,398.42

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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.