Home / 2,911.02-4,008.45-2,607.60

Finding the Fourth Proportional to 2,911.02, 4,008.45 and 2,607.60

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Solution

The fourth proportional to 2,911.02, 4,008.45 and 2,607.60 is: 3,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.02 : 4,008.45 = 2,607.60 : x
  2. Step 2: Convert to fraction form
    2,911.02/4,008.45 = 2,607.60/x
  3. Step 3: Cross multiply
    2,911.02x = 4,008.45 × 2,607.60
  4. Step 4: Simplify right side
    2,911.02x = 10,452,434.22
  5. Step 5: Solve for x
    x = 10,452,434.22/2,911.02
  6. Step 6: Final answer
    x = 3,590.64

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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.