Home / 1,437.56-2,153.30-917.88

Finding the Fourth Proportional to 1,437.56, 2,153.30 and 917.88

Calculator

Solution

The fourth proportional to 1,437.56, 2,153.30 and 917.88 is: 1,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.56 : 2,153.30 = 917.88 : x
  2. Step 2: Convert to fraction form
    1,437.56/2,153.30 = 917.88/x
  3. Step 3: Cross multiply
    1,437.56x = 2,153.30 × 917.88
  4. Step 4: Simplify right side
    1,437.56x = 1,976,471.00
  5. Step 5: Solve for x
    x = 1,976,471.00/1,437.56
  6. Step 6: Final answer
    x = 1,374.88

Related Problems

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.