Home / 2,510.92-3,465.03-1,391.86

Finding the Fourth Proportional to 2,510.92, 3,465.03 and 1,391.86

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Solution

The fourth proportional to 2,510.92, 3,465.03 and 1,391.86 is: 1,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.92 : 3,465.03 = 1,391.86 : x
  2. Step 2: Convert to fraction form
    2,510.92/3,465.03 = 1,391.86/x
  3. Step 3: Cross multiply
    2,510.92x = 3,465.03 × 1,391.86
  4. Step 4: Simplify right side
    2,510.92x = 4,822,827.99
  5. Step 5: Solve for x
    x = 4,822,827.99/2,510.92
  6. Step 6: Final answer
    x = 1,920.74

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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.