Home / 2,457.95-3,392.58-1,515.11

Finding the Fourth Proportional to 2,457.95, 3,392.58 and 1,515.11

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Solution

The fourth proportional to 2,457.95, 3,392.58 and 1,515.11 is: 2,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.95 : 3,392.58 = 1,515.11 : x
  2. Step 2: Convert to fraction form
    2,457.95/3,392.58 = 1,515.11/x
  3. Step 3: Cross multiply
    2,457.95x = 3,392.58 × 1,515.11
  4. Step 4: Simplify right side
    2,457.95x = 5,140,120.60
  5. Step 5: Solve for x
    x = 5,140,120.60/2,457.95
  6. Step 6: Final answer
    x = 2,091.23

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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.