Home / 2,931.61-4,398.63-1,370.47

Finding the Fourth Proportional to 2,931.61, 4,398.63 and 1,370.47

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Solution

The fourth proportional to 2,931.61, 4,398.63 and 1,370.47 is: 2,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.61 : 4,398.63 = 1,370.47 : x
  2. Step 2: Convert to fraction form
    2,931.61/4,398.63 = 1,370.47/x
  3. Step 3: Cross multiply
    2,931.61x = 4,398.63 × 1,370.47
  4. Step 4: Simplify right side
    2,931.61x = 6,028,190.46
  5. Step 5: Solve for x
    x = 6,028,190.46/2,931.61
  6. Step 6: Final answer
    x = 2,056.27

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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.