Home / 2,642.04-3,645.36-1,710

Finding the Fourth Proportional to 2,642.04, 3,645.36 and 1,710

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Solution

The fourth proportional to 2,642.04, 3,645.36 and 1,710 is: 2,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.04 : 3,645.36 = 1,710 : x
  2. Step 2: Convert to fraction form
    2,642.04/3,645.36 = 1,710/x
  3. Step 3: Cross multiply
    2,642.04x = 3,645.36 × 1,710
  4. Step 4: Simplify right side
    2,642.04x = 6,233,565.60
  5. Step 5: Solve for x
    x = 6,233,565.60/2,642.04
  6. Step 6: Final answer
    x = 2,359.38

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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.