Home / 2,670.40-3,685.16-1,475.36

Finding the Fourth Proportional to 2,670.40, 3,685.16 and 1,475.36

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Solution

The fourth proportional to 2,670.40, 3,685.16 and 1,475.36 is: 2,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.40 : 3,685.16 = 1,475.36 : x
  2. Step 2: Convert to fraction form
    2,670.40/3,685.16 = 1,475.36/x
  3. Step 3: Cross multiply
    2,670.40x = 3,685.16 × 1,475.36
  4. Step 4: Simplify right side
    2,670.40x = 5,436,937.66
  5. Step 5: Solve for x
    x = 5,436,937.66/2,670.40
  6. Step 6: Final answer
    x = 2,036.00

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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.