Home / 1,750.24-2,415.28-953.56

Finding the Fourth Proportional to 1,750.24, 2,415.28 and 953.56

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Solution

The fourth proportional to 1,750.24, 2,415.28 and 953.56 is: 1,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.24 : 2,415.28 = 953.56 : x
  2. Step 2: Convert to fraction form
    1,750.24/2,415.28 = 953.56/x
  3. Step 3: Cross multiply
    1,750.24x = 2,415.28 × 953.56
  4. Step 4: Simplify right side
    1,750.24x = 2,303,114.40
  5. Step 5: Solve for x
    x = 2,303,114.40/1,750.24
  6. Step 6: Final answer
    x = 1,315.88

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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.