Home / 2,673.36-3,689.95-1,539.16

Finding the Fourth Proportional to 2,673.36, 3,689.95 and 1,539.16

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Solution

The fourth proportional to 2,673.36, 3,689.95 and 1,539.16 is: 2,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.36 : 3,689.95 = 1,539.16 : x
  2. Step 2: Convert to fraction form
    2,673.36/3,689.95 = 1,539.16/x
  3. Step 3: Cross multiply
    2,673.36x = 3,689.95 × 1,539.16
  4. Step 4: Simplify right side
    2,673.36x = 5,679,410.37
  5. Step 5: Solve for x
    x = 5,679,410.37/2,673.36
  6. Step 6: Final answer
    x = 2,124.45

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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.