Home / 2,074.68-2,862.57-1,515.45

Finding the Fourth Proportional to 2,074.68, 2,862.57 and 1,515.45

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Solution

The fourth proportional to 2,074.68, 2,862.57 and 1,515.45 is: 2,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.68 : 2,862.57 = 1,515.45 : x
  2. Step 2: Convert to fraction form
    2,074.68/2,862.57 = 1,515.45/x
  3. Step 3: Cross multiply
    2,074.68x = 2,862.57 × 1,515.45
  4. Step 4: Simplify right side
    2,074.68x = 4,338,081.71
  5. Step 5: Solve for x
    x = 4,338,081.71/2,074.68
  6. Step 6: Final answer
    x = 2,090.96

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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.