Home / 2,426.13-3,347.93-1,378.13

Finding the Fourth Proportional to 2,426.13, 3,347.93 and 1,378.13

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Solution

The fourth proportional to 2,426.13, 3,347.93 and 1,378.13 is: 1,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.13 : 3,347.93 = 1,378.13 : x
  2. Step 2: Convert to fraction form
    2,426.13/3,347.93 = 1,378.13/x
  3. Step 3: Cross multiply
    2,426.13x = 3,347.93 × 1,378.13
  4. Step 4: Simplify right side
    2,426.13x = 4,613,869.48
  5. Step 5: Solve for x
    x = 4,613,869.48/2,426.13
  6. Step 6: Final answer
    x = 1,901.74

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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.