Home / 2,440.13-3,366.99-1,377.70

Finding the Fourth Proportional to 2,440.13, 3,366.99 and 1,377.70

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Solution

The fourth proportional to 2,440.13, 3,366.99 and 1,377.70 is: 1,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.13 : 3,366.99 = 1,377.70 : x
  2. Step 2: Convert to fraction form
    2,440.13/3,366.99 = 1,377.70/x
  3. Step 3: Cross multiply
    2,440.13x = 3,366.99 × 1,377.70
  4. Step 4: Simplify right side
    2,440.13x = 4,638,693.71
  5. Step 5: Solve for x
    x = 4,638,693.71/2,440.13
  6. Step 6: Final answer
    x = 1,901.01

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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.