Home / 1,504.80-2,074.32-1,038.24

Finding the Fourth Proportional to 1,504.80, 2,074.32 and 1,038.24

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Solution

The fourth proportional to 1,504.80, 2,074.32 and 1,038.24 is: 1,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.80 : 2,074.32 = 1,038.24 : x
  2. Step 2: Convert to fraction form
    1,504.80/2,074.32 = 1,038.24/x
  3. Step 3: Cross multiply
    1,504.80x = 2,074.32 × 1,038.24
  4. Step 4: Simplify right side
    1,504.80x = 2,153,642.00
  5. Step 5: Solve for x
    x = 2,153,642.00/1,504.80
  6. Step 6: Final answer
    x = 1,431.18

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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.