Home / 1,783.05-2,459.57-1,036.90

Finding the Fourth Proportional to 1,783.05, 2,459.57 and 1,036.90

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Solution

The fourth proportional to 1,783.05, 2,459.57 and 1,036.90 is: 1,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.05 : 2,459.57 = 1,036.90 : x
  2. Step 2: Convert to fraction form
    1,783.05/2,459.57 = 1,036.90/x
  3. Step 3: Cross multiply
    1,783.05x = 2,459.57 × 1,036.90
  4. Step 4: Simplify right side
    1,783.05x = 2,550,326.02
  5. Step 5: Solve for x
    x = 2,550,326.02/1,783.05
  6. Step 6: Final answer
    x = 1,430.32

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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.