Home / 1,345.02-2,027.75-1,251.06

Finding the Fourth Proportional to 1,345.02, 2,027.75 and 1,251.06

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Solution

The fourth proportional to 1,345.02, 2,027.75 and 1,251.06 is: 1,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.02 : 2,027.75 = 1,251.06 : x
  2. Step 2: Convert to fraction form
    1,345.02/2,027.75 = 1,251.06/x
  3. Step 3: Cross multiply
    1,345.02x = 2,027.75 × 1,251.06
  4. Step 4: Simplify right side
    1,345.02x = 2,536,836.92
  5. Step 5: Solve for x
    x = 2,536,836.92/1,345.02
  6. Step 6: Final answer
    x = 1,886.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.