Home / 3,071.47-4,607.98-1,315.59

Finding the Fourth Proportional to 3,071.47, 4,607.98 and 1,315.59

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Solution

The fourth proportional to 3,071.47, 4,607.98 and 1,315.59 is: 1,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.47 : 4,607.98 = 1,315.59 : x
  2. Step 2: Convert to fraction form
    3,071.47/4,607.98 = 1,315.59/x
  3. Step 3: Cross multiply
    3,071.47x = 4,607.98 × 1,315.59
  4. Step 4: Simplify right side
    3,071.47x = 6,062,205.83
  5. Step 5: Solve for x
    x = 6,062,205.83/3,071.47
  6. Step 6: Final answer
    x = 1,973.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.