Home / 2,075.15-2,862.54-1,317.53

Finding the Fourth Proportional to 2,075.15, 2,862.54 and 1,317.53

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Solution

The fourth proportional to 2,075.15, 2,862.54 and 1,317.53 is: 1,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.15 : 2,862.54 = 1,317.53 : x
  2. Step 2: Convert to fraction form
    2,075.15/2,862.54 = 1,317.53/x
  3. Step 3: Cross multiply
    2,075.15x = 2,862.54 × 1,317.53
  4. Step 4: Simplify right side
    2,075.15x = 3,771,489.48
  5. Step 5: Solve for x
    x = 3,771,489.48/2,075.15
  6. Step 6: Final answer
    x = 1,817.45

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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.