Home / 1,862.55-2,570.58-1,116.95

Finding the Fourth Proportional to 1,862.55, 2,570.58 and 1,116.95

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Solution

The fourth proportional to 1,862.55, 2,570.58 and 1,116.95 is: 1,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.55 : 2,570.58 = 1,116.95 : x
  2. Step 2: Convert to fraction form
    1,862.55/2,570.58 = 1,116.95/x
  3. Step 3: Cross multiply
    1,862.55x = 2,570.58 × 1,116.95
  4. Step 4: Simplify right side
    1,862.55x = 2,871,196.48
  5. Step 5: Solve for x
    x = 2,871,196.48/1,862.55
  6. Step 6: Final answer
    x = 1,541.54

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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.