Home / 3,363.77-4,642.16-2,803.30

Finding the Fourth Proportional to 3,363.77, 4,642.16 and 2,803.30

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Solution

The fourth proportional to 3,363.77, 4,642.16 and 2,803.30 is: 3,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.77 : 4,642.16 = 2,803.30 : x
  2. Step 2: Convert to fraction form
    3,363.77/4,642.16 = 2,803.30/x
  3. Step 3: Cross multiply
    3,363.77x = 4,642.16 × 2,803.30
  4. Step 4: Simplify right side
    3,363.77x = 13,013,341.51
  5. Step 5: Solve for x
    x = 13,013,341.51/3,363.77
  6. Step 6: Final answer
    x = 3,868.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.