Home / 3,432.51-4,736.85-1,920.07

Finding the Fourth Proportional to 3,432.51, 4,736.85 and 1,920.07

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Solution

The fourth proportional to 3,432.51, 4,736.85 and 1,920.07 is: 2,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.51 : 4,736.85 = 1,920.07 : x
  2. Step 2: Convert to fraction form
    3,432.51/4,736.85 = 1,920.07/x
  3. Step 3: Cross multiply
    3,432.51x = 4,736.85 × 1,920.07
  4. Step 4: Simplify right side
    3,432.51x = 9,095,068.98
  5. Step 5: Solve for x
    x = 9,095,068.98/3,432.51
  6. Step 6: Final answer
    x = 2,649.69

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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.