Home / 3,153.40-4,726.74-1,507.68

Finding the Fourth Proportional to 3,153.40, 4,726.74 and 1,507.68

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Solution

The fourth proportional to 3,153.40, 4,726.74 and 1,507.68 is: 2,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.40 : 4,726.74 = 1,507.68 : x
  2. Step 2: Convert to fraction form
    3,153.40/4,726.74 = 1,507.68/x
  3. Step 3: Cross multiply
    3,153.40x = 4,726.74 × 1,507.68
  4. Step 4: Simplify right side
    3,153.40x = 7,126,411.36
  5. Step 5: Solve for x
    x = 7,126,411.36/3,153.40
  6. Step 6: Final answer
    x = 2,259.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.