Home / 2,717.60-3,750.95-1,539.36

Finding the Fourth Proportional to 2,717.60, 3,750.95 and 1,539.36

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Solution

The fourth proportional to 2,717.60, 3,750.95 and 1,539.36 is: 2,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.60 : 3,750.95 = 1,539.36 : x
  2. Step 2: Convert to fraction form
    2,717.60/3,750.95 = 1,539.36/x
  3. Step 3: Cross multiply
    2,717.60x = 3,750.95 × 1,539.36
  4. Step 4: Simplify right side
    2,717.60x = 5,774,066.24
  5. Step 5: Solve for x
    x = 5,774,066.24/2,717.60
  6. Step 6: Final answer
    x = 2,124.70

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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.