Home / 2,370.84-3,271.76-1,376.18

Finding the Fourth Proportional to 2,370.84, 3,271.76 and 1,376.18

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Solution

The fourth proportional to 2,370.84, 3,271.76 and 1,376.18 is: 1,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.84 : 3,271.76 = 1,376.18 : x
  2. Step 2: Convert to fraction form
    2,370.84/3,271.76 = 1,376.18/x
  3. Step 3: Cross multiply
    2,370.84x = 3,271.76 × 1,376.18
  4. Step 4: Simplify right side
    2,370.84x = 4,502,530.68
  5. Step 5: Solve for x
    x = 4,502,530.68/2,370.84
  6. Step 6: Final answer
    x = 1,899.13

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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.