Home / 1,075.48-1,485.66-1,035.52

Finding the Fourth Proportional to 1,075.48, 1,485.66 and 1,035.52

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Solution

The fourth proportional to 1,075.48, 1,485.66 and 1,035.52 is: 1,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.48 : 1,485.66 = 1,035.52 : x
  2. Step 2: Convert to fraction form
    1,075.48/1,485.66 = 1,035.52/x
  3. Step 3: Cross multiply
    1,075.48x = 1,485.66 × 1,035.52
  4. Step 4: Simplify right side
    1,075.48x = 1,538,430.64
  5. Step 5: Solve for x
    x = 1,538,430.64/1,075.48
  6. Step 6: Final answer
    x = 1,430.46

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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.