Home / 1,504.02-2,075.19-874.17

Finding the Fourth Proportional to 1,504.02, 2,075.19 and 874.17

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Solution

The fourth proportional to 1,504.02, 2,075.19 and 874.17 is: 1,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.02 : 2,075.19 = 874.17 : x
  2. Step 2: Convert to fraction form
    1,504.02/2,075.19 = 874.17/x
  3. Step 3: Cross multiply
    1,504.02x = 2,075.19 × 874.17
  4. Step 4: Simplify right side
    1,504.02x = 1,814,068.84
  5. Step 5: Solve for x
    x = 1,814,068.84/1,504.02
  6. Step 6: Final answer
    x = 1,206.15

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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.