Home / 2,011.02-2,775.08-1,347.78

Finding the Fourth Proportional to 2,011.02, 2,775.08 and 1,347.78

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Solution

The fourth proportional to 2,011.02, 2,775.08 and 1,347.78 is: 1,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.02 : 2,775.08 = 1,347.78 : x
  2. Step 2: Convert to fraction form
    2,011.02/2,775.08 = 1,347.78/x
  3. Step 3: Cross multiply
    2,011.02x = 2,775.08 × 1,347.78
  4. Step 4: Simplify right side
    2,011.02x = 3,740,197.32
  5. Step 5: Solve for x
    x = 3,740,197.32/2,011.02
  6. Step 6: Final answer
    x = 1,859.85

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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.