Home / 2,510.06-3,463.85-1,390.99

Finding the Fourth Proportional to 2,510.06, 3,463.85 and 1,390.99

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Solution

The fourth proportional to 2,510.06, 3,463.85 and 1,390.99 is: 1,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.06 : 3,463.85 = 1,390.99 : x
  2. Step 2: Convert to fraction form
    2,510.06/3,463.85 = 1,390.99/x
  3. Step 3: Cross multiply
    2,510.06x = 3,463.85 × 1,390.99
  4. Step 4: Simplify right side
    2,510.06x = 4,818,173.76
  5. Step 5: Solve for x
    x = 4,818,173.76/2,510.06
  6. Step 6: Final answer
    x = 1,919.55

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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.