Home / 2,401.58-3,315.69-1,840.99

Finding the Fourth Proportional to 2,401.58, 3,315.69 and 1,840.99

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Solution

The fourth proportional to 2,401.58, 3,315.69 and 1,840.99 is: 2,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.58 : 3,315.69 = 1,840.99 : x
  2. Step 2: Convert to fraction form
    2,401.58/3,315.69 = 1,840.99/x
  3. Step 3: Cross multiply
    2,401.58x = 3,315.69 × 1,840.99
  4. Step 4: Simplify right side
    2,401.58x = 6,104,152.13
  5. Step 5: Solve for x
    x = 6,104,152.13/2,401.58
  6. Step 6: Final answer
    x = 2,541.72

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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.