Home / 1,865.21-2,574.15-1,026.08

Finding the Fourth Proportional to 1,865.21, 2,574.15 and 1,026.08

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Solution

The fourth proportional to 1,865.21, 2,574.15 and 1,026.08 is: 1,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.21 : 2,574.15 = 1,026.08 : x
  2. Step 2: Convert to fraction form
    1,865.21/2,574.15 = 1,026.08/x
  3. Step 3: Cross multiply
    1,865.21x = 2,574.15 × 1,026.08
  4. Step 4: Simplify right side
    1,865.21x = 2,641,270.96
  5. Step 5: Solve for x
    x = 2,641,270.96/1,865.21
  6. Step 6: Final answer
    x = 1,416.08

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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.