Home / 2,060.46-2,840.13-1,397.07

Finding the Fourth Proportional to 2,060.46, 2,840.13 and 1,397.07

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Solution

The fourth proportional to 2,060.46, 2,840.13 and 1,397.07 is: 1,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.46 : 2,840.13 = 1,397.07 : x
  2. Step 2: Convert to fraction form
    2,060.46/2,840.13 = 1,397.07/x
  3. Step 3: Cross multiply
    2,060.46x = 2,840.13 × 1,397.07
  4. Step 4: Simplify right side
    2,060.46x = 3,967,860.42
  5. Step 5: Solve for x
    x = 3,967,860.42/2,060.46
  6. Step 6: Final answer
    x = 1,925.72

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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.