Home / 2,090.41-2,884.85-1,158.91

Finding the Fourth Proportional to 2,090.41, 2,884.85 and 1,158.91

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Solution

The fourth proportional to 2,090.41, 2,884.85 and 1,158.91 is: 1,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.41 : 2,884.85 = 1,158.91 : x
  2. Step 2: Convert to fraction form
    2,090.41/2,884.85 = 1,158.91/x
  3. Step 3: Cross multiply
    2,090.41x = 2,884.85 × 1,158.91
  4. Step 4: Simplify right side
    2,090.41x = 3,343,281.51
  5. Step 5: Solve for x
    x = 3,343,281.51/2,090.41
  6. Step 6: Final answer
    x = 1,599.34

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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.