Home / 3,360.79-5,011.60-3,127.06

Finding the Fourth Proportional to 3,360.79, 5,011.60 and 3,127.06

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Solution

The fourth proportional to 3,360.79, 5,011.60 and 3,127.06 is: 4,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.79 : 5,011.60 = 3,127.06 : x
  2. Step 2: Convert to fraction form
    3,360.79/5,011.60 = 3,127.06/x
  3. Step 3: Cross multiply
    3,360.79x = 5,011.60 × 3,127.06
  4. Step 4: Simplify right side
    3,360.79x = 15,671,541.22
  5. Step 5: Solve for x
    x = 15,671,541.22/3,360.79
  6. Step 6: Final answer
    x = 4,663.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.