Home / 3,117.33-4,676.72-1,386.45

Finding the Fourth Proportional to 3,117.33, 4,676.72 and 1,386.45

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Solution

The fourth proportional to 3,117.33, 4,676.72 and 1,386.45 is: 2,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.33 : 4,676.72 = 1,386.45 : x
  2. Step 2: Convert to fraction form
    3,117.33/4,676.72 = 1,386.45/x
  3. Step 3: Cross multiply
    3,117.33x = 4,676.72 × 1,386.45
  4. Step 4: Simplify right side
    3,117.33x = 6,484,031.51
  5. Step 5: Solve for x
    x = 6,484,031.51/3,117.33
  6. Step 6: Final answer
    x = 2,080.00

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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.