Home / 2,378.16-3,565.70-1,283.30

Finding the Fourth Proportional to 2,378.16, 3,565.70 and 1,283.30

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Solution

The fourth proportional to 2,378.16, 3,565.70 and 1,283.30 is: 1,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.16 : 3,565.70 = 1,283.30 : x
  2. Step 2: Convert to fraction form
    2,378.16/3,565.70 = 1,283.30/x
  3. Step 3: Cross multiply
    2,378.16x = 3,565.70 × 1,283.30
  4. Step 4: Simplify right side
    2,378.16x = 4,575,862.81
  5. Step 5: Solve for x
    x = 4,575,862.81/2,378.16
  6. Step 6: Final answer
    x = 1,924.12

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1.5x scale

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.