Home / 2,889.16-3,987.09-1,710.51

Finding the Fourth Proportional to 2,889.16, 3,987.09 and 1,710.51

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Solution

The fourth proportional to 2,889.16, 3,987.09 and 1,710.51 is: 2,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.16 : 3,987.09 = 1,710.51 : x
  2. Step 2: Convert to fraction form
    2,889.16/3,987.09 = 1,710.51/x
  3. Step 3: Cross multiply
    2,889.16x = 3,987.09 × 1,710.51
  4. Step 4: Simplify right side
    2,889.16x = 6,819,957.32
  5. Step 5: Solve for x
    x = 6,819,957.32/2,889.16
  6. Step 6: Final answer
    x = 2,360.53

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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.