Home / 1,710.90-2,365.65-1,492.20

Finding the Fourth Proportional to 1,710.90, 2,365.65 and 1,492.20

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Solution

The fourth proportional to 1,710.90, 2,365.65 and 1,492.20 is: 2,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.90 : 2,365.65 = 1,492.20 : x
  2. Step 2: Convert to fraction form
    1,710.90/2,365.65 = 1,492.20/x
  3. Step 3: Cross multiply
    1,710.90x = 2,365.65 × 1,492.20
  4. Step 4: Simplify right side
    1,710.90x = 3,530,022.93
  5. Step 5: Solve for x
    x = 3,530,022.93/1,710.90
  6. Step 6: Final answer
    x = 2,063.25

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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.