Home / 2,865.20-3,954.02-1,746.18

Finding the Fourth Proportional to 2,865.20, 3,954.02 and 1,746.18

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Solution

The fourth proportional to 2,865.20, 3,954.02 and 1,746.18 is: 2,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.20 : 3,954.02 = 1,746.18 : x
  2. Step 2: Convert to fraction form
    2,865.20/3,954.02 = 1,746.18/x
  3. Step 3: Cross multiply
    2,865.20x = 3,954.02 × 1,746.18
  4. Step 4: Simplify right side
    2,865.20x = 6,904,430.64
  5. Step 5: Solve for x
    x = 6,904,430.64/2,865.20
  6. Step 6: Final answer
    x = 2,409.76

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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.