Home / 1,782.28-2,458.86-1,036.12

Finding the Fourth Proportional to 1,782.28, 2,458.86 and 1,036.12

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Solution

The fourth proportional to 1,782.28, 2,458.86 and 1,036.12 is: 1,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.28 : 2,458.86 = 1,036.12 : x
  2. Step 2: Convert to fraction form
    1,782.28/2,458.86 = 1,036.12/x
  3. Step 3: Cross multiply
    1,782.28x = 2,458.86 × 1,036.12
  4. Step 4: Simplify right side
    1,782.28x = 2,547,674.02
  5. Step 5: Solve for x
    x = 2,547,674.02/1,782.28
  6. Step 6: Final answer
    x = 1,429.45

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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.