Home / 3,505.02-5,261.33-3,117.51

Finding the Fourth Proportional to 3,505.02, 5,261.33 and 3,117.51

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Solution

The fourth proportional to 3,505.02, 5,261.33 and 3,117.51 is: 4,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.02 : 5,261.33 = 3,117.51 : x
  2. Step 2: Convert to fraction form
    3,505.02/5,261.33 = 3,117.51/x
  3. Step 3: Cross multiply
    3,505.02x = 5,261.33 × 3,117.51
  4. Step 4: Simplify right side
    3,505.02x = 16,402,262.71
  5. Step 5: Solve for x
    x = 16,402,262.71/3,505.02
  6. Step 6: Final answer
    x = 4,679.65

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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.