Home / 1,488.21-2,052.48-957.18

Finding the Fourth Proportional to 1,488.21, 2,052.48 and 957.18

Calculator

Solution

The fourth proportional to 1,488.21, 2,052.48 and 957.18 is: 1,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.21 : 2,052.48 = 957.18 : x
  2. Step 2: Convert to fraction form
    1,488.21/2,052.48 = 957.18/x
  3. Step 3: Cross multiply
    1,488.21x = 2,052.48 × 957.18
  4. Step 4: Simplify right side
    1,488.21x = 1,964,592.81
  5. Step 5: Solve for x
    x = 1,964,592.81/1,488.21
  6. Step 6: Final answer
    x = 1,320.10

Related Problems

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.