Home / 2,718.45-3,750.17-1,670.13

Finding the Fourth Proportional to 2,718.45, 3,750.17 and 1,670.13

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Solution

The fourth proportional to 2,718.45, 3,750.17 and 1,670.13 is: 2,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.45 : 3,750.17 = 1,670.13 : x
  2. Step 2: Convert to fraction form
    2,718.45/3,750.17 = 1,670.13/x
  3. Step 3: Cross multiply
    2,718.45x = 3,750.17 × 1,670.13
  4. Step 4: Simplify right side
    2,718.45x = 6,263,263.07
  5. Step 5: Solve for x
    x = 6,263,263.07/2,718.45
  6. Step 6: Final answer
    x = 2,303.98

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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.