Home / 2,931.37-4,397.06-2,760.18

Finding the Fourth Proportional to 2,931.37, 4,397.06 and 2,760.18

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Solution

The fourth proportional to 2,931.37, 4,397.06 and 2,760.18 is: 4,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.37 : 4,397.06 = 2,760.18 : x
  2. Step 2: Convert to fraction form
    2,931.37/4,397.06 = 2,760.18/x
  3. Step 3: Cross multiply
    2,931.37x = 4,397.06 × 2,760.18
  4. Step 4: Simplify right side
    2,931.37x = 12,136,677.07
  5. Step 5: Solve for x
    x = 12,136,677.07/2,931.37
  6. Step 6: Final answer
    x = 4,140.27

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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.