Home / 1,570.32-2,355.84-1,036.56

Finding the Fourth Proportional to 1,570.32, 2,355.84 and 1,036.56

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Solution

The fourth proportional to 1,570.32, 2,355.84 and 1,036.56 is: 1,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.32 : 2,355.84 = 1,036.56 : x
  2. Step 2: Convert to fraction form
    1,570.32/2,355.84 = 1,036.56/x
  3. Step 3: Cross multiply
    1,570.32x = 2,355.84 × 1,036.56
  4. Step 4: Simplify right side
    1,570.32x = 2,441,969.51
  5. Step 5: Solve for x
    x = 2,441,969.51/1,570.32
  6. Step 6: Final answer
    x = 1,555.08

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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.