Home / 1,865.16-2,573.76-1,025.84

Finding the Fourth Proportional to 1,865.16, 2,573.76 and 1,025.84

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Solution

The fourth proportional to 1,865.16, 2,573.76 and 1,025.84 is: 1,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.16 : 2,573.76 = 1,025.84 : x
  2. Step 2: Convert to fraction form
    1,865.16/2,573.76 = 1,025.84/x
  3. Step 3: Cross multiply
    1,865.16x = 2,573.76 × 1,025.84
  4. Step 4: Simplify right side
    1,865.16x = 2,640,265.96
  5. Step 5: Solve for x
    x = 2,640,265.96/1,865.16
  6. Step 6: Final answer
    x = 1,415.57

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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.