Home / 2,558.28-3,530.88-1,510.95

Finding the Fourth Proportional to 2,558.28, 3,530.88 and 1,510.95

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Solution

The fourth proportional to 2,558.28, 3,530.88 and 1,510.95 is: 2,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.28 : 3,530.88 = 1,510.95 : x
  2. Step 2: Convert to fraction form
    2,558.28/3,530.88 = 1,510.95/x
  3. Step 3: Cross multiply
    2,558.28x = 3,530.88 × 1,510.95
  4. Step 4: Simplify right side
    2,558.28x = 5,334,983.14
  5. Step 5: Solve for x
    x = 5,334,983.14/2,558.28
  6. Step 6: Final answer
    x = 2,085.38

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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.