Home / 2,916.08-4,026.48-1,869.92

Finding the Fourth Proportional to 2,916.08, 4,026.48 and 1,869.92

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Solution

The fourth proportional to 2,916.08, 4,026.48 and 1,869.92 is: 2,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.08 : 4,026.48 = 1,869.92 : x
  2. Step 2: Convert to fraction form
    2,916.08/4,026.48 = 1,869.92/x
  3. Step 3: Cross multiply
    2,916.08x = 4,026.48 × 1,869.92
  4. Step 4: Simplify right side
    2,916.08x = 7,529,195.48
  5. Step 5: Solve for x
    x = 7,529,195.48/2,916.08
  6. Step 6: Final answer
    x = 2,581.96

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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.