Home / 2,838.32-3,916.08-1,703.72

Finding the Fourth Proportional to 2,838.32, 3,916.08 and 1,703.72

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Solution

The fourth proportional to 2,838.32, 3,916.08 and 1,703.72 is: 2,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.32 : 3,916.08 = 1,703.72 : x
  2. Step 2: Convert to fraction form
    2,838.32/3,916.08 = 1,703.72/x
  3. Step 3: Cross multiply
    2,838.32x = 3,916.08 × 1,703.72
  4. Step 4: Simplify right side
    2,838.32x = 6,671,903.82
  5. Step 5: Solve for x
    x = 6,671,903.82/2,838.32
  6. Step 6: Final answer
    x = 2,350.65

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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.